It sounds, though, as if you're ready for more serious ice climbing. So a beefier boot might well be in order. Scarpa's Inverno ($300; www.scarpa-us.com), while not wildly expensive, is stiffer and warmer than the Degre, and offers excellent all-around performance in technical conditions. I have a narrow-ish foot and the Invernos fit me wellbut here again, they're not lasted for women, so you'll want to try some on. There might be some tricks you can do to make a boot fit better, such as adding heel inserts or a high-volume insole such as ones made by Superfeet ($30; www.superfeet.com).
You might also look at the Vasque Super Alpinista ($345; www.vasque.com). It's a hybrid boot, with leather and plastic construction. That tends to give you the best of both worldsthe warmth and waterproofing of plastic, with the extra comfort and boot "feel" of leather. Boots like this one have become very popular in recent years.
Anyway, I think you'll find a boot that fitsafter all, you've been getting by in boots that are too big!
Check out Outside's 2005 Buyer's Guide to get you outfitted for the toughest of outdoor expeditions.