My 6 of Hopslam tasted way better to me at the end of Feb. It was bottled 1/26/12 so that should be drinking great right now, anywho it is good for a couple months yet.
Some say they can taste hop flavor drop off after just a couple of weeks. In any case, just keep them cold.
In my limited experience, I've found that Hopslam is especially sensitive to age. I drank from two different batches this year - one with about 6 weeks on it and the other with only 2. The fresher batch was twice as good in my mind. The honey had a stronger presence and the floral hops dominated. I've heard all sorts of takes on this though, so who knows. Just my two cents.