That brings the price of Gearbox's shooter-RPG down from $50 to $45 on the PC--$15 cheaper than the $60 console editions. Of course, you'll need to make sure your rig can run it--thankfully, the developer passed along these system requirements.
OS: Windows XP/Vista
Processor: 2.4 Ghz or equivalent processor
Memory: 1GB System RAM (2GB recommended with Vista)
Graphics: 256mb video ram or better (GeForce 8 series or higher/Radeon R8xx series)
Hard Drive: 8 GB or more free space
Sound: Windows compatible sound card