You know how you're wary about going back to some of the places you used to go, because now you've got a kid in tow, and well, you remember that place was definitely not kid-friendly? Forget it, just go.
We worried about this when we met friends for brunch at Bar 6, and the place turned out to be Bar 6 Months. There were tons of kids, highchairs, an informal stroller check, it was fine.
Of course, the phonebooth-sized WC's had no changing table. Anyway, actually changing a diaper feels like it'd be crossing some line. Just let the kid wait.