have read the same thing divveh, though most of my workmates are running RAID5 in their home servers with the Intel chipset softraid and 1, 2, 3tb Caviar Greens fine, just gotta wait for some 2950's to reach EOL so we can scavenge the pci-e PERC cards out of them
Personally, I would avoid spindle drives made by anyone other than WD (ESPECIALLY Hitachi LOL), but that's just me.
Run ESXi on yo stuff, it's what all the cool kids are using for teh VM's! (if you are planning on running Media Centre etc from one you may find it fairly fail though!).