First I'd like to say that I am a big fan of what you are doing.
I know that I, as a single customer, am not "investing" a lot into your company. However, I am invested, in that I want you to succeed because you are providing a valuable service to me and my company. I am trusting you to have a reliable service. Without it, I would go else where because if you are down, I'm down. Feeling informed, especially if something is wrong, increases that trust. Hey, even the almighty Amazon has gone down numerous times.
As for the blog, It would be nice to feel a bit more apart of what's going on simply by you telling us. The way you have opened up and allowed this forum, plus uservoice, plus the IRC chat, makes it feel much more like an open-source community than a large business trying to make a buck. The last blog posting was for Thanksgiving. Obviously you were doing something between that time and Monday! :) Let us know what projects you are working on. Yes there is a balance between marketing, keeping your competition in the dark, and promoting yourselves to current and future clients. When projects and priorities change, as they always will, let us know. There are a lot of other companies in this industry that you are in competition with. Your prices and service, as well as the powerful servers and cost, have set you apart and is why I am using your services not just for myself, but I am migrating my company over too.
I guess I like transparency a lot, something I need to work on too with my clients ;) I hope this helps.