I've used Fedora and wasn't real keen. I do a bit of multimedia work and Fedora wasn't crash hot so I moved to Gentoo. Was reasonably happy there for a while but I'm
not a fan of their portage system. I like the idea behind it but when you find a buggy ebuild I hate it how you can't just go get support from the software maker because it's modified as an ebuild so you need to get support from Gentoo
I installed Arch Linux today as a last resort before I tried Linux From Scratch and I'm pretty happy so far. Incredibly fast!