Looking for some advice...

ed - for sure, see what you are saying. but what's the use in an ali frame with heavy rims and brakes? and to be honest brakes weigh fuck all, my campy brakes are seriously light!

saving money, that how the bike company makes profit, they build up a bicycles and put on the cheapest wheelset they can get, and sell it for an extra £100, that how they do it.

You're right brakes doesn't weight that much, but it's a small addition to the final weight (very C+ I know).