I got my rebate from MSI, they like me
Most companies outsource the rebates anyways. I just sent in for rebates to a Asus and Gigabyte. Both companies outsourced to the same vendor so I entered my information on the same web site and mailed my letters to the exact same address for both of them.
By the way, I like how they tell you for $1 they will send out your rebate check faster.