I wanna throw in a good word for Harbor-UCLA TY. I am a TY there now and I absolutely love it. Basically the schedule boils down to 1 month medicine wards (yes you heard me, ONE month!), 1 month CCU, 2 months surgery (trauma or general, I'll talk more about this soon), 1 month ER, 1 month ambulatory clinic (FM/peds/IM), and 6 months electives (2 of which have to be surgical electives). People on the interview trail last year always ragged on Harbor because you had to do so many surgery months, but the intern schedule when you're on trauma surgery is actually pretty sweet - you do 3 day shifts, 1 night shift, then you get a post call day and another day off after that (so basically you get 2.5 days off/week). Also the specialty surgery months are not too bad either (and you can choose from plastics, ortho, GI-ONC, urology/ENT, etc), the census is usually much smaller on these services and you usually have more than one intern. The remaining 4 elective months are just plain awesome (derm, optho, anesthesia, radiology, pathology, research). The only disclaimer I have is that Harbor is a county hospital, so you need to know what you're getting yourself into...If you're a person that needs to be at a super nice hospital with an EMR, Harbor is not the place for you. But at the same time, you will see and do everything at Harbor, there is so much pathology that comes through the doors. And most services also have residents and attendings from the main UCLA residency programs, so the teaching is great (if you're into that kind of thing). And finally, the best part is you get to live in LA for a year (which was the main reason I chose to rank this place #1). Lots of people live in South Bay (Redondo/Hermosa/Manhattan Beach) which is a great area (and only a 15min drive to Torrance which is where Harbor is). Also you DO NOT have to interview for this program, the PD has an algorithm he uses to rank all the applicants, and showing up to the "information session" is not factored in at all (contrary to popular belief). Bottom line, there is no reason why you shouldn't just add Harbor on to your rank list considering it will cost you nothing. There are 20 TYs each year, and my co-interns are awesome (and all going onto stellar residency programs next year which I guess points towards Harbor TY being pretty competitive). PM me if you want more details about the program.
Also, to add on to the previous poster's list, here are some other good TYs I interviewed at:
-Riverside TY (Newport News, VA) - by far the cushiest program in the country (that I know of) - basically they do 2 months of medicine wards, one month of night float, and the rest are easy rotations/electives. You also get unlimited free food at the hospital. Two of my med school classmates are interns there this year and they love it. However, there is not much going on in Newport News...if you are single and like nightlife, this is not the town for you (that's what kept me from ranking this place #1)
2. Spartanburg TY (Spartanburg, SC) - similar schedule as Riverside but you have to do either peds or OB (which you don't have to do at Riverside). Also similar perks (unlimited free food). Not much going on in the town of Spartanburg however.
3. Baptist TY (Birmingham, AL) - similar schedule as the two above but I think you have to do a few more medicine months. The residents have a 5-star chef that cooks lunch and dinner for them at the hospital (I'm not kidding).
4. Scripps-Mercy TY (San Diego, CA) - probably one of the most competitive TYs in the country due to location. However, their schedule is no longer as cush as it used to be since the new work hour restrictions. Now their schedule is 3 months medicine wards, 1 month medicine float, 2 months ICU, 1 month peds inpatient, 1 month ER, 1 month outpatient, and 3 months electives (anyone that is or was at Scripps recently please correct me if I'm wrong). So basically it boils down to 8 hard months and 4 easy months.
5. Trident TY (Charleston, SC) - also in an amazing location (especially if you are a single guy, as the girl:guy ratio in charleston in about 5:1). This is almost a mix between a TY and prelim med program since you do more medicine months, but it's still better than any prelim med. This TY is affiliated with MUSC radiology, so if you get a rad interview from MUSC they automatically give you the TY interview on the same day.
So bottom line, if location is your top priority, I would say Harbor-UCLA, Scripps, and MSK in NYC would be the top dogs. If cushiness is your top priority, Riverside and Spartanburg are hard to beat.
Other good TYs I heard about but didn't interview at are UT-Chattanooga, Methodist-Houston, and Colorado Health Foundation (Denver). If you really want to guarantee yourself to match into a good TY, I would apply to at least 15 and aim to interview at 7-8...a lot of people underestimate the extreme competitiveness of the best TYs (think about it, you are interviewing with the all-star applicants from the ROAD fields).