The VF900 doesn't come close to being "far superior" to the stock 8800 series cooler. It might lower your core temps a few degrees, if it even does that, but then it adds a whole host of other problems.
1.) It does cool all the extra components on the board without the need to buy extra RAM stinks to stick on them.
2.) It doesn't exhaust the extreme amounts of heat produced by these newer cards out the back of the case, which is a must.