Earlier quoted context omitted.
I've been using Ubuntu for 2 years as my primary environment and I miss it a lot despite terrible performance of Firefox and flash. Everything else pretty much rocked. I don't have room for a desk with a workstation PC to run it and all PC laptops are so lame these days that I'm stuck with Macbook Pro but keep toying with a double boot idea.
Some, not all ;) http://www.thinkwiki.org/wiki/Category:Ubuntu
Even resolution is wrong: 15" panel shouldn't be higher than 1440x900: many web sites aren't readable at resolutions higher than that, yet Lenovo offers only 1280 and 1650 horizontal pixels (too few and too many).