I'm not going to discuss the price, anyone can value his services at whatever price he wants and it's the customer's duty to do some research before buying. I am, however, going to kindly ask OP to remove "encrypted" from the offer. It's uselees, it's manipulative, it's dangerous to the clients' data. Why? I wrote some thoughts about it (sorry for promoting my blog, but I'm too lazy to copy-paste): http://blog.mybox.ro/2011/08/09/why-server-side-encryption-is-both-useless-and-dangerous/
And for OP, I have a simple question: where are the decryption keys stored exactly? (And I do mean *exactly*. I would expect the answer to be "a file". A file in OPs control, and in OPs local police/other structures reach. Which is, IMHO, a lot more dangerous than not having encryption in the first place).
Again, I'm not trying to bash anyone, I just think that buying "encrypted servers" is a very-very-very bad idea.