We stayed at the Evergreen in January which was really nice and practically brand new.
http://www.oldmanscavechalets.com/component/option,com_hotproperty/task,view/id,2/Itemid,82/
One of my co-workers got married and stayed at the Grand Butte which is a lodge that can sleep 20 people.
http://oldmanscavechalets.com/content/view/85/118/