Motherboard

hey guys im having a little trouble and looking for help. I cant find a cheap motherboard, preferably below 70 buks, that supports Dual Core CPU's, either Pentium D's, or Core 2 duo, CPU's, but as well as that i need it to support AGP 8x for my graphics card. oh and of course IDE for my older HDD's but also SATA could i get some help? also whats the best cheapest pentium D i can get? thanks!!!