Got my 1k today, very proud of that 1k considering 1999 mode with Scavenger hunt can be quiet frustrating at times. The final battle wasn't an issue I did it on my first attempt, it was the Sirens I struggled with.
Target 40k - Hit 18/12/2010
Target 50k - Hit offline date unknown
Target 60k - Hit 19/10/2014 (Brain Drain - Borderlands TPS)
Bioshock Infinite: Clash in the Clouds - Blue Ribbon Guide