Hi Luke,
I'm going to be biased here as I do work at Alton's...as Ad has said above our two dive boats are running well. Since Semita dove here we have bought a new boat, rebuilt another and a third should be coming out of dry-dock soon. All are fast and comfortable, and we're not diving off dories any longer.
Our DMs do dive with you, but we have small groups and long-term DMs only...they know the sites, they know the reef and they know all the fish. We don't hire DMs who are just passing through looking to dive for a couple of weeks for free, as does occasionally happen on the island, nor do we send groups out with DMTs, as also happens here.
I came here in April 2004 for a week, and I'm still here...most of our staff has had the same experience with Alton's.
If you need any specific information about Alton's, or about Utila in general, feel free to PM me.
Ali