I have a couple T61s from Ebay that I got for my kids. I've been using one of them for some development work, and I've been surprised at how well they work for that purpose --- as in, I could easily use one for my day to day work. Put an old SSD in one, install Linux, and you have a very nice machine.
I bought a Thinkpad x220 tablet off ebay as a "poor man's Cintiq" and put an old SSD in it. The thing is like a developer Swiss Army Knife. I can use the very nice keyboard for real programming work. I can use the Wacom stylus for pixel art and graphics. Makes me think that Apple is aiming at dominating the common-person's "workstation" form factor, while Lenovo is aiming more squarely at guys like us.
