Youtube channel Feuerwehrbrot has several videos of footage for Super Street Fighter 4. From CeBit 2010. They look to be just random players messing around, but if you are just craving a Super SF4 fix today, check them all out and maybe you'll see something that will brighten your day. Here are two vids from the channel but hit the link above for more.
Here are a handful of new videos from CeBit2010. A couple are full matches from the attendees playing the game, others are short clips of players testing various Ultras and set ups.