I'm running a wholesale store for a clothing company, and I've been using a scheme such that for each style, there are 3 slave products (small, medium, and large) and each slave product has its colors as its attributes.
However, how I'd ideally like the schema to be like is, to have 2 attributes - color and size - for each product, such that a customer can place their order like this:
(see attached html file)
I already have a bid for $120 USD, let me get good offers. =)