Enjoyed it enough to buy it for the inevitably improved co-op. Got a $36 steam key, so I'm glad I'm not playing premium prices.
Link for those interested in cheaper pc digital, lasts until Sept. 10th:
[GMG] Borderlands 2 - $36 (20% + 25% with promo code GMG25-1BW0K-K1A3G) : GameDeals