Battlemodos give you a clear sense of what's good and bad in a gadget category, but there's no way to include everything. Consider the $99 Asus O!Play the new champ of HD video players—better late than never.
The Old Champs
If you remember the HD media player battlemodo, I awarded WDTV Live and Seagate FreeAgent Theater+ the two top spots. The WD is still best for people who want a smooth interface and a hopefully increasing number of online services for streamed media. (YouTube and Pandora now, who knows what else?) It's actually the Seagate that gets KO'd by Asus.