Looks like you've got a healthy plant there. Very nice thick green roots. I wouldn't be in a hurry to repot, I've have some that have been that crowded and in those kinds of pots and done quite well. But I would look at doing something about the humidity. Until you get the humidifyer, place a small pan of water, with a saucer overturned in it, under the plant. (Plant goes on saucer to keep it out of the water). This will help provide humidity.