GMG also has a GTA Weekend sale going on. Stacks with their 20% off voucher, which can be found in this post.
Prices below are after the voucher has been applied.
Grand Theft Auto III = $2.00
Grand Theft Auto: Vice City = $2.00
Grand Theft Auto: San Andreas = $3.00
All of these games require the GMG capsule program.
Click here to see the GTA games on sal for the weekend at GMG.