Epinions - Climbing: Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.
Gear Review: Detailed reviews of climbing, camping, and adventure gear by staff reviewers.
Gorp - Climbing Gear: Professionally written climbing gear reviews. Includes articles on care and use.
RockClimbing.com - Gear Reviews: Buying info and user-submitted reviews for a variety of climbing products.
SummitPost.com - Gear Reviews: User-submitted reviews of rock climbing, mountaineering, and hiking equipment.
Trail Space - Gear Reviews: User-submitted reviews of hiking, mountaineering, and backcountry gear.