Here is the store in Fremont
http://www.rei.com/stores/fremont/index.html

Here's a decent headlamp for 20 bucks
http://www.rei.com/online/store/ProductDisplay?storeId=8000&catalogId=40000008000&productId=858&parent_category_rn=4500596

Petzel is the brand of the good ones. You can search for "Petzel" on the REI website and see all kinds of headlamps.