I plan on taking out a young lady in her early twenties sometime next week, and I was hoping some of you could recommend a nice place with a more "intimate" vibe. I'd like to keep it to just drinks, as we've done the restaurant thing a few times before (swapping turns paying per her suggestion when we go out, despite my attempts at being a gentleman and offering to pay

), so I really want to branch out with something different this time.
Ideally I'd like something more "mature" and would like to shy away from places that have "kids" that just turned 21 if you catch my drift.
I also want to avoid taking her to a total "dive-bar", I'm trying for something casual yet a little bit classy here.
Anyone ever try the RedPin? They have a bar? Bowling might be nice as a background setting, and heck, maybe even bowl a game or two ourselves! Fun can be the ultimate vibe, so really, just throw me any suggestions you have here please.
Any places have a bar with jazz, maybe dancing (nothing too loud, more of a romantic setting)?
Anyone ever try the red piano lounge?
Any karaoke places/suggestions while I'm at it? That might be fun one night
as well.
Comedy clubs?
Suggested attire for any of these places or others that are mentioned would be great as well. I don't want to be showing up in jeans if it's a more formal venue, (and would like to inform her ahead of time as well so she can make preparations)
Most likely we'll be heading out between Tuesday and Thursday, so unless a place is "jumping" I don't anticipate any large crowds.
Thanks!