ImproveNet: Wall Ovens

Lists major manufacturers, product lines, experts, and some how-to and consumer advice, so that consumers can see what is on the market. Does not accept payments for listings.
http://www.improvenet.com/ext/productshowcase/PS_3.html?CID=27

Epinions: Ovens

Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.
http://www.epinions.com/hmgd-Large_Appliances-All-Ovens

ConsumerSearch.com: Wall Ovens Product Reviews and Reports

Identifies which products reviewers like and dislike, where they agree or disagree, and why.
http://www.consumersearch.com/www/kitchen/wall_ovens

BigTray: Convection Ovens

Features buying tips and advice for kitchen equipment used in restaurants and institutional kitchens.
http://www.bigtray.com/buyers_guide.asp?catid=110140&descatid=10850

BigTray: Conveyor Ovens

Features buying tips and advice for kitchen equipment used in restaurants and institutional kitchens.
http://www.bigtray.com/buyers_guide.asp?catid=110150&descatid=11030

eHow: Built-In Oven

How to choose a built-in oven.
http://www.ehow.com/ehow/ehow.jsp?id=5329

Appliance.com: Ovens

Lists brands, features, describes new products, prices, specifications, and links to shopping sources.
http://www.appliance.com/cc/cooking/