I'm about to buy 4 of these. Tell me if they are good.
http://cgi.ebay.com/mini-Aquarium-B...ultDomain_0&hash=item414d257266#ht_5069wt_925
http://cgi.ebay.com/mini-Aquarium-B...ultDomain_0&hash=item414d257266#ht_5069wt_925