Well if its for your dad and he dont play any high end games why not this:
http://shop1.outpost.com/product/4189223?site=sr:SEARCH:MAIN_RSLT_PG
You get mobo plus P4 3.0 mobo would be a ECS type.
http://shop1.outpost.com/product/4189223?site=sr:SEARCH:MAIN_RSLT_PG
You get mobo plus P4 3.0 mobo would be a ECS type.