In all honesty it sounds like she was having a bad day. If you've been smoking cigars for 20 years, you smoke them at home (like...not exclusively at your B&M or something), you have two smaller display humis, and you included her in on the knowledge of this purchase, I think she just is unhappy about something else then. Maybe a bad day at work? Anyway, what John and Mike said are definitely true...letting the issue lie for a couple days, flowers, all that jazz...either she'll come around to it or if it truly is a big issue, then you guys can talk about it after it's had a few days to marinate and settle down.
Edit: Just re-read the above post. Just wanted to add that maybe she sees this as you ignoring her hobby (wine) and going with your cabinet instead of her wine storage? Maybe instead of flowers you could start seeing what she wants to do for wine storage, whether you build an actual room for it or build in some nice shelving in the basement next to the bar *shrug* Just an idea
