Amymcg, I use those mannlake top feeders. They are handy for short-term high volume feeding imo. Ants can be a problem - got to keep them out for sure. Other than that, I like them.
(Mannlake sent me 3 of these feeders by mistake, 2 yrs ago - when I tried to send them back, mannlake offered to let me keep them for a very low price - I'm glad I did)