ThinkPad X60
Used by 3 peoplethinkwiki.org ↗

“In addition to those machines, I also have an iMac G5 for PPC testing, and an older C2D ThinkPad X60 which has a bunch of OSes installed.”
Justin Frankel Interview, Software developer (Winamp, REAPER) · via Uses This 
“My road machine is a Lenovo Thinkpad X60; I'm a huge fan of the Thinkpad line.”
Eric S Raymond Interview, OSS developer, writer ('The Cathedral and the Bazaar') · via Uses This