Yes, many people seem to rave about Colibri. I have not stayed at Colibri, but from what I have seen on the outside, I don't think it can be significantly better than Las Palmas al mar, and the prices seem to be similar.
Regarding Las palmas al mar, here is a link for information that may be helpful.
http://dr1.com/forums/archive/index.php/t-51769.html
Please advise how much the room is with air conditioner if you find out.