Yep, that's where I'd go if forced to. I've seen some pretty nice screenshots from the newest window managers of late. I value design and ease of use quite a bit though and the number of complaints about things not working or tools not being as good (think Adobe CS) on Linux puts me off.
A modern Fedora/Arch system is indeed very pretty and usable and if you pick decent hardware, (i.e. not the trash from BestBuy, spend a similar amount as you would on a Mac Pro, if you expect equivalent results), you won't generally have problems.
