Well, since Penguinboy mentioned new graphics for TWHL4 in his latest journal (and since I always find the need to prove I'm not an entirely lazy bastard), I'll show you some of the new goods.
First up, new avatars. The current default avatars have nothing to do with Half-Life, what's up with that? They'll still be available as "legacy avatars" in TWHL4 for those who like 'em, but will probably be hidden by default. These will be your new defaults:
And that's not all of them, more Goldsource oriented ones will come (think Blue-Shift/Opposing Force artwork, monsters, etc). They're 256x256, but they'll go down to whatever the max avatar size is in TWHL4.
The game icons for the Map Vault are also being redone to suit more varied themes and to include more games, and you'll finally have flashy new trophies for competitions and Map of the Month. I'll post those 'soon'.
General graphics like sticky notifications, the control panel icons and the header will all obviously get a touch-up too, when the newest design(s) roll around.
it's so much more.