I've also got some Cornbred Rainbow Infusions for $20/polyp, Goblin's Fire for $15/polyp, and some really nice Utter Chaos for $10/polyp. RI's, GF's and UC's are cut to order:
Hard to find anything brighter or with better color contrast than Goblin's Fire... especially for this price:
Utter Chaos get to be about the size of a dime when full grown.