Colored glass would be cool, but I'd personally love to have glowing colored blocks. Combine sand, glowdust, and dye, toss it in the furnace, and ta-da. Colored mood lighting, giant neon billboards, you name it.
There's a new poisonous blue spider
that spawns in the new dungeons. Well, I'm never going underground again.
Sweet! And webs finally appear as well.
Also, my mod pick of the week, is Fossils. http://www.youtube.com/watch?v=t01sP...&feature=feedu
I swear, as soon as the finished game is released, I'm gonna fill my worlds with bunnies and dinosaurs.