I have some Intel motherboards with CPU's. No cooler, but they use DDR ram. Up to 4gb
915PGN One I am looking at has an Intel 540J cpu.
2 PCI-E slots
1PCI-E x16 slot
4 PCI slots
pic: http://bit.ly/ycdNzE
Intel Tech sheet
http://www.intel.com/support/motherboards/desktop/d915pgn/sb/CS-027130.htm
It should slip in your existing case.
yours, just cover the shipping
Bill