In reply to cha1n:
my commuter bike looks attractive to steal (its worth about £650 - marin san rafel DS3 - with rockshox paragon forks fitted after sale) but most the steal able stuff has security bolts on it and the lock is very good plus its insured. Plus give it a few years and it will look a lot less stealable.
disc brakes are not overkill, they've saved my bacon already and I wouldn't be without them on a bike now. I have front air suspension set quite stiff and I love it on my hybrid.
I also have a full susser at home but that is overkill for commuting
My previous commuter was more towards a racer geometry but still upright with straight bars, I much prefer my new one for cycling in traffic and on edinburghs pot holed and cobbled streets. Its also far superior having wider hybrid tyres on wet or icey surfaces.
Post edited at 17:01