Kamenná chata pod Chopkom - very quick replies to e-mail, good English.
Chata Štefánika - they seldom read their e-mail, and are very slow to respond; call them if you want to make a reservation; waitresses with lovely warm smiles.
Chata Ïurková - the warden is sometimes out, but the hut is open and you can find the firewood and water from the spring nearby.
Image containing up-to-date avalanche risk information for Tatras and Fatras
With a link possibly pointing to preferably