It's now eighteen months after your inital post and yes, 203k loans are still available. As you found back then and especially since then, a lot of lenders have stepped out of the rehab loan arena since then (203k/conventional version/portfolio rehab lending). There are a lot of new inexperienced players who are unfortunately giving the program a bad name (I get quite a bit of fallout calls and often it's too late to save the deal). I've talked to many contractors who are now feeling the pain who now refuse to work with anyone seeking financing from any company who's draw disbursements will be handled by a certain major bank (not my company obviously), both on the retail and wholesale side. Many lenders refuse to get into the arena because they won't spend the capital to ensure their default rate remains low (there's tremendous opportunity for fraud as a few banks no longer in business found out) and others who just won't add overhead to the bottom line in a recession.
That being said, these loans are still getting done and there are some experienced loan officers and some lenders who have all the right people in place to make these transactions pleasant or at the very least, not a painful experience.
I hope you've fared well and feel free to reach out if you have any questions.