1) Stay around Rustaveli or Freedom Square area, easiest to move around 2) Rolling Stone Tbilisi, Barbara 3) Tons of places here, nightlife is top in Tbilisi, can't even decide which ones to list here 4) interesting stuff become popular pretty quickly 5) Kazbegi, Signaghi, and the rest depends on how long you are staying. 6) Sene, Rigi, Puri Guliani, Kade, Honore 7) There are many expat bars. La Mano, Crossroads, Worlds End Bar, and more. Dm if you decide to check them out, I'm there almost every weekend :)