Driver to Radeon HD 4200?

[Erik P. Olsen]

I have recently installed  motherboard M4A785TD-M EVO from ASUS. It has an
integrated ATI Radeon HD 4200 graphics adapter.

With that I can build a Fedora 12 beta system using basic video and the result
is OK for most applications. But I would like to go a bit further, so which
driver should I install? Apparently there are fglrx and catalyst; which one
should I prefer? Or are there other possibilities?

-- 
Thanks,
Erik