I'd say the 404 set and rear disc. The 404 set is an amazing all around wheel set for any type of race. I currently have stinger 60's on my tri bike and have loved them. They have be sufficient thru all my races especially some of the hillier ones.

I think having the 404 set and a rear disc would be the most versatile you could get and you'll have the most options as far as race use.