I did not really consider the heat sink, which does add value. I'm not a fan of them myself, they are more effective but I prefer my GPU fans to blow out of the case.
If you don't know what your doing, the installs can be tough, but really all not that bad if you have a tiny screw driver.
The 8800/9800 series of cards are still a good solid card though.
I passed along the info for both