I was originally going to go with the 5670, but decided I could spare some more money, if the increase is worth it. I kinda like MSI's Dual-fan design and therefore overclockability (?) , but the 4850 has 2x as much VRAM. Help? BTW, these cards are the only choices because of combo deals, and at the moment, with MSI's $30 MIR, I'll be going with the GTS 250. However, obviously these don't last forever and I won't be ordering for a few weeks, so if or when it goes away, I want to know what to get.