How do you connected a DVI to two monitors? Use a displayport connection.
Precisely. Since they're all VGA, he would have to use adapters, which is where the fault is. Normally if you use adapters, you can have a fault. It's always best to get a true connection. I know its much, but I have 3 Acer DVI monitors with two GTX 680 GC 4GBs, which is $1010+$690=$1700 just by that self, but I want a true connection so I don't have any possible faults, and get a constant and same connection to all my monitors. Otherwise, you would need to buy:
1. A Better GPU
2. Different Monitors
3. Very Expensive Adapters that will actually work.
Other than that, you may just have to live with two monitors. Sorry bro.