Motherboard   Northbridge    DDR      Onboard-Graphics  PCIe(16x+8x)    Cost     Points*  Value
------------------------------------------------------------------------------------------------
M4A79             790         2             N/A            2+2          699,00    8/12    87.37
A790GXM-AD3       790         3        RadeonHD 3300       2+0          415,00    9/12    46.11
M4A785TD-V EVO    785         3        RadeonHD 4200       2+0          369,00    9/12    41.00
M4A77TD           770         3             N/A            1+0          310,00    5/12    62.00


* Points:
Completely baseless points were taken as follows =-P
NB : 790 = 3, 785 = 2, 770 = 1
DDR: DDR3 = 3, DDR2 = 2
GFX: N/A = 0, RHD3300 = 1, RH4200 = 2
PCIe: 2+2 = 3, 2+0 = 2, 1+0 = 1