In reply to Ads Co.:
Post bus from Sion (stops just outside the train station).
There is a small shop in Arolla, which sells everything necessary food wise, but not a great range. You can have bread delivered to the campsite in the morning if you fancy.
Can't remember how much money I took with me, but make sure you have plenty, evolene has cashpoints and a larger supermarket, if you're nice to people at the campsite (or on your course) you can probably scrounge a lift.
I think we had 2 nights in huts, worked out about 20-25 quid including dinner and (slightly crappy) breakfast for each night.
With the gear, for things like axes/crampons/rucksacks (ie basics) you need to let them know, for icescrews/ropeman etc you will be ok. Make sure you take prussik loops, and a few slings, and mark your gear.
The format was along the lines of - first day, easy short route, learning to move together, tying off coils, fast belays, abbing with a prussik. Next day playing on a glacier on the way to a hut, crampon technique, ice screw placement, snow anchors. From hut we did a slightly longer trickier route with an easyish glacial descent. Fourth day learning to ascend a rope, and a bit of sport climbing in the valley before walking to another hut. Then fifth day another route, but we were leading the guides (supposedly).
Have a good week, ask lots of questions, our instructors were excellent. Get them chatting about their adventures to give you some inspiration!
Wil