Great price and the reviews seem mostly positive. The only thing I don't care for is the lack of auto-feeder (for scanner/copier) and FAX.
The problem is that when it comes to colors, they are used at differential rates yet sold together. No way around that.
Doc the literature on the Amazon link Brad provided, seemed to indicate separate color tanks. The first mention makes it sound like it's one tank for the colors, but if you scroll down it mentions the tanks individually. I don't care for those all color in one tank cartridges either, too wasteful.