In terms of usability and addressing the fact that most eBay users probably are not very efficient searchers, eBay has added this incredibly useful quick navigation tool for holiday shoppers trying to get their last minute hands on a Nintendo Wii or Sony Playstation 3:
It’s linear, yet non-linear, efficient and somewhat 2.0 in design, great going eBay!
Kudos to eBay! As a marketer I would hope they are basing their top 10 list on actual customer requests and other user data so the top 10 really is just that. If it is then in my book they just scored a big point for web usability!