[joeychgo]

I dunno. To me, its about flexibility. You narrow your options across the board by combining the sties. I prefer to be as fleixble as I can be.

Also, while talking about selling, you wil have a much harder time getting the value from one mega site, simply because as the price goes up, the number of people who can afford it dwindles.

As far as running better. I think it can be run similar as far as performance, but you'll ned the equipment to handle it. Im not even sure what you'll need but yes, I also would suspect that searching is going to place a much larger load.

You might want to discuss the performance aspect with vB development people directly. Im sure you'll need at least a number of servers, load balanced, and some super fast drives. But This is an area outside of my expertise.