New at spawn, a small ice and snow stall which can be found between the spawn portal and the south wall or between Buttmarine Inc and Fish's weed stall. Not that a lot of people will need or want these materials, but they're there now.
Current prices (still up for debate):
Ice - 2 diamonds per stack
Snowblocks - 3 iron ingots per stack
Current prices (still up for debate):
Ice - 2 diamonds per stack
Snowblocks - 3 iron ingots per stack