As in another job? No. But something to work on yes, I also went to a couple of interviews in the first week of Jan (had to take PTO days to go to some of these interviews)
I guess the market for developers isn't too bad these days .. you'll probably be fine either way. That said, I'll reiterate ... it is not fun to be in a position where you don't have cash coming in (an MVP typically != stream of cash). Also, not going into work everyday might make it harder to get structure in your life. If you are resolved to pull the trigger and quit, may I suggest you consider joining an incubator, or some other organization that will give you structure.
Best of luck my friend ... whatever you decide!