I have a new server athlon 64 x2 5600, 4gb ddr and choosing beetwen OS. I have red hat, fedora, suse...in my mind or any other by your recomendation? I'll use it for some joomla and similar php code projects and the rest of the space i'll sell further. I'll have cpanel or plesk...don't know jet. Also don't know to choose 64 or 32 bit system? tnx for your help!