Take her to a Sox game!
Na, a month is special. But you are right, I wouldn't go over the top. How about a Yanke candle or something that invloves her intrests.
It sucks, I've been married 7 years and it gets harder and harder to come up with gift ideas. She likes scrapbooking (well she's got all the stuff, she does't really do it) and reading. THAT IS IT. I never know what to get her.
Good luck, just don't do the flower thingy, Flowers are so overrated. Just my opinion.