Xenon is a pretty ropey groupset IMHO. £700 is a sensible budget for a entry level road bike. At this time of year you can be lucky enough to pick a £1000 2012 bike on clearance. That would roughly mean....
Shinamo 105/ Sram Rival/ Campagnolo Centaur - groupset
Quality aluminium frame/ alu frame with carbon stays, with carbon fork.
Xenon is a pretty ropey groupset IMHO. £700 is a sensible budget for a entry level road bike. At this time of year you can be lucky enough to pick a £1000 2012 bike on clearance. That would roughly mean....
Shinamo 105/ Sram Rival/ Campagnolo Centaur - groupset
Quality aluminium frame/ alu frame with carbon stays, with carbon fork.
So he should be looking for something like that.