The Hydronaut is a sweet timepiece from Tudor, and a nice screen saver to take home as well. Impressive live watch video / animation with the current date and time. Also includes some images that are cool but mysterious (to me anyway) 
El ron de murcielagos comes alive on your screen, waking up when your PC goes to sleep. Watching it flap into hyperspace at hyper speed made me feel a little dizzy even without imbibing the beverage he adorns.
Symbian Tweet Saver is billed as a screen saver that pipes the last 5 tweets from Symbian - which sounds pretty cool if you're into that.. When I tested it there were no tweets but a whole bunch of wacky animations. Unexpected, but plenty fine. 
It's not often we tag corporate and cool together, but this is super geeky cool. Symantec provide a dynamic feed into the screen saver of various hacker threat stats from around the world along with a ThreatCon level. Can't wait to see what happend at ThreatCon 5...
For Christmas 2009 Idle Time Software brings us a fresh new look at the season, including a mashup with Halloween an option for Hannakuh. Grab a copy here (Windows 7 and 64 bit compatible)
