1. No plans for dedicated or semi-dedicateds to be added to the offerring, but you never know down the track. Could be offerring dedicated servers and colocation. They're a possibility, but not for a year or two. I like to take things slowly.
2. Yes, you're quite ok to resell a Dotable Reseller account. We bill you, we support you, you bill your client and you support your client.