Actually, it's one of those annual sets that's always pleasant but rarely earth-shattering (like Tax Day or Earth Day, both coming soon).
I think one can extend that to most 'themed' sets - about 90% of them range from ok/pleasant to awful (the Giants' opening day set from 2011 comes to mind). Once in a blue moon, we get something awesome, like AL's ode to radio. But yeah, I think radical said at least once something to effect regarding theme sets: Pass