Well no doubt about it being better than 7200. But it loses to cards like ti4200.
+the fx cards need huge cooling, usually taking the pci slot right below the agp slot for themselves, and the cooling solution makes noise.
I'd get 9500 or 9600 radeon instead
//edit: Read this
http://www6.tomshardware.com/graphic...714/index.html
//edit2: Heh, ok, that might've been a little exaggerating

But still I wouldn't buy fx5200.