It recomended me to. 1)Fedora, 2)Ubuntu, 3)OpenSUSE, 4)Mandriva, 5)Linux Mint.
I am running Linux Mint.
Allthough I have tried the first 4.
Until this year I allways prefered Xubuntu. But, now, Linux Mint 13 (Mate) seems to run the most stable and smooth.