I also like all of these things :D We've discussed t-shirts in the past but were never able to settle on a design / logo.
I think I like the current wordmark, although I'm still not sold on the colours. :3 It'd kind of be about time we had a little bit of Shadowlack merchandise though.
Going to double post myself because it's the [HASHTAG]#cool[/HASHTAG] thing to do and I'm totally going to win this year.
Last time it was a lovely piece of custom pixel art (of a character of your choosing): http://shadowlack.com/threads/last-person-to-reply-in-2013-wins.7536/#post-99848 This year it could be something similar, or completely different altogether. :)