In reply to Parrys_apprentice:
You should be flexible, have studied route choices.
You're driving anyway so get all guidebooks, maps with you and a full/varied rack for all eventualities.
Be ready to find out for yourself if forecast...fits with what you find on the ground- which means you'll win some and lose some.
I have not given thoughts to glen Coe for a while, my impression is that it was buried and that means there's a chance that turf will have been insulated and not be frozen. Climbing in these conditions is frown upon: people get uppity about trashing the routes... I just get terrified as it is insecure and really dangerous.