Originally Posted by
calgarc
its a new build, I want to go with ultegra mechs purely to make future upgrades easier. especially when the 11 speed 105's come out, i can just swap the wheelset and the shifters

this allows me to enjoy my new bike while i can afford to without having to wait for the 105 set to come out. i am thinking ong term with this as well with this.
Considering the occasional phenomenal deals offered by the UK online stores, I would just go Ultegra now. The difference may well be negligible.