I'm concerned about one thing at the moment:
The T60 I have now has a 14.1" screen with integrated Intel 950 graphics and is displaying at 1400 x 1050. I'm looking to buy a T61. The specs I'm seeing for the Lenovo T61 765912U I'm looking at now, also with a 14.1" screen, but with integrated Intel Intel GMA X3100 graphics, has resolution listed as 1280 x 800. Isn't that significantly inferior? That's two steps down the available resolution chart in my T60's display settings.
Yes, the screen on the T61 you're looking at is awful by comparison. First off, it's a 14" widescreen, which is significantly smaller than a 14" 4:3. More to the point, you'll have about 40% less pixels on your screen--1280x800 is going to feel awful when you're used to SXGA+. (Take it from me--I go back and forth all the time, because my mother's Z61t has the same screen you're looking at, and my T60 has the same screen yours does). No way I'd go for something that low. Sadly, the market trend seems to be 16x9 widescreens (catering to movie watching/crossover in LCD panel production with small TVs), at relatively low resolutions. 8 years ago, I could buy a laptop with a 1600x1200 15" screen. Today, it's impossible to touch that. Sad. But I digress.
And to answer Muse's question, yes, a T60 can run Win7 64-bit, provided it has a Core2Duo in it (If it has a Core Duo, it's a small job to swap in a C2D if 64-bit is critical to you). I can run Win7 32 happily on the T60 in my sig, and am confident it could do 64 if necessary should I chose to do a processor swap. To put it in perspective, my mother's SLOOOOOW ~1.6Ghz Core 2 Duo with only 2 gigs of RAM does fine on Win7 64.