For those of you who don't know, there is an enchantment shop on Utopia at 5353. Anyone can come and buy items, using the vault to get the items to your home server. Everyone should check it out, as it is restocked quickly due to the number of people stocking it.
http://empireminecraft.com/threads/price-of-silk-touch-and-fortune-3-picks-enchanters-read.6344/ For those of you who think enchantments are way too highly priced, read this page. The shop listed above contains prices way below the value they "should" sell them for. At these prices, its a steal.