Interesting, some of the responses I've read thus far...
It looks like I have no choice but to get it done at Honda. Here's hoping the guy does at least a 45-min vacuum before recharge, if not a full hour.
And, here's also hoping service and recharge improves cooling during the day.
As for the regular AC wallas, 8 times out of 10 they will try to pull a fast one on you; replacing parts that don't need replacing or screwing something up so that you DO end up replacing a part or two... shmucks!
At least at Honda, if you've been going there a while and have a rapport with them, they'll just do what you ask and hopefully, trained technicians will be performing the task!