Okay, I know Debian Lenny is still in Beta but I just had to try it on my Thinkpad T60. My Thinkpad is very picky when it comes to BSD/Linux distributions. Normally the Debian-based systems tend to function very well on my Thinkpad.
Read it here
So a couple days ago I decided to try Lenny. Well, Linux Mint and Ubuntu get flying colors for detecting all the hardware on the Thinkpad and configuring the settings. Well, Lenny does the same thing. The only thing I needed to configure was ALSA and my wifi.