Our 2nd city on our road trip. We stayed in the Old Town area, which was full of rich people buying stuff, but if you get your arse off the main streets and explore a little you can find some absolute gems. The art republic was alright. Lots of ferarris and other expensive cars roaming about the streets. We were in Vilnius for independance day so that was pretty awesome. Easy to walk everywhere and getting in and out via car wasn't too bad either.
Insider Tip:Get off the main streets and wander through old town properly. Climb to the top of the castle hill thing by the big square. For a capital city it was quite cheap in comparison to London. Espresso + water = 1.20 euros.