Maybe a list of these items would be good

, the only thing i saw so far was that Elvis look on the heavy.
From steam forum:
Hats:
Troublemaker's Tossle Cap (Scout)
Killer's Kabuto (Soldier)
Triboniophorus Tyrannus (Pyro)
Hustler's Hallmark (Demo)
Hound Dog (Heavy)
Hotrod (Yes it's supposed to look like this) (Engineer)
Physician's Procedure Mask (Medic) (Misc. Slot)
Shooter's Sola Topi (Sniper)
Magistrate's Mullet (Spy)
Weapons:
The Dalokoh's Bar (Heavy)
+50HP for 30 seconds
Cannot be dropped
The Pain Train (Soldier AND Demoman)
+1 Capture Rate on Wearer
10% Bullet Damage Vulnerability on Wearer
The Homewrecker (Pyro)
100% damage vs buildings
-25% damage vs players
All Items
http://farm5.static.flickr.com/4039/...6efaf6d8_b.jpg
http://farm5.static.flickr.com/4003/...311c4e54_b.jpg
All HUD Icons
http://img214.imageshack.us/img214/3...unityitems.jpg
All Hats Except Engineer
http://img534.imageshack.us/img534/3...atsgrayson.png
Items In Video
http://www.youtube.com/watch?v=lPd8Usd0_gA
Items Held In First Person
http://www.tech-x.de/2newitems.jpg
http://www.tech-x.de/sledgehammer.jpg
Some of them look ridiculous
