Your poll will not work as intended and not much you can do about that. We can only make one choice, not multiple
If you need
disc, use them. If you don't then get v's or whatever is available really.
Are you staying period correct. If not just buy a bulk groupset it may be cheaper, like SLX or even the Deore should be perfectly fine and comes in v and disc and disc with wheel setups
http://www.merlincycles.co.uk/Bike+Shop ... B/list.htm
Sounds like it's going to be a road training bike so get suspension it'll help with the fitness carrying the extra weight and if the road are anything like around here the 1" / 2" pot holes shouldn't hurt so much.
Get some semi slicks, loads around. They'll increase road resistance against true slicks which all helps with the training and makes your offroad sections a little easier