The mounts in that case look standard, but it's kinda hard to tell by just looking. They appear to be in the right areas.
The PS should be OK, but it may be proprietary. You should check the big 20 pin connector to make sure it fits standard motherboards. You can try plugging it in to any motherboard you have.
The Athlons are great, I have a SlotA-750 that I gave to my sister to go to college with. It keeps on truckin...