I think what she did is called the "try out date". She gave you her info, you go have a beer and then she sees how things progress.
It sounds like you guys already have a good relationship the only word of caution I have is becareful about dating a coworker ...
If it goes bad and I mean the relationship.. it goes REAL bad. you have to work with her. If you want validation that you are doing the right thing, no one can help you there. YOu need to figure it for yourself.
"Remember always, that you not only have the right to be an individual, you have an obligation to be one."
- - Eleanor Roosevelt
" It's not who we are that holds us back, it's who we think we're not."
- - Michael Nolan
"...to love and lose, is better than not to love at all..." .... Lord, whats his name....
" The world is big... I want to see all of it before it gets dark." -- John Muir