I think you're always going to have problems with that motherboard....
Although, its not going to affect airflow much at all, so I wouldn't worry
Personally, i'd wait till you can afford an I7 or even I5 upgrade (depending on its speed)...
Little point cross-upgrading just to move your psu sockets.
Lovely case. Just don't like doors though!!
The internals are awesome though. Really like the way it has been split up etc. Pure class.
I wish my p180 was black inside like the mini p180