Anyone using MOTU products on a PC is a masochist. Actually even mac users, as of lately (DP8 is a joke, not matter what platform you use it on.) MOTU is crap and their customer service is the worst ever.
Desktop: i7 3770k, 32 GB RAM, nVidia GTX680, 3 monitors, 256 GB SSD (OS), 2 TB SATA III (audio), 3 TB SATA III (sample libraries), 3x 3 TB USB 3.0 (backup/archives), RME UFX, Win 8 Pro x64, Cubase 7, Sonar X3, Vienna Ensemble Pro 5.
Slaves: 2x i7 2700k, 16 GB RAM, 256 GB SSD, 3 TB SATA III, Win 8 Pro x64, Vienna Ensemble Pro 5.
Laptop: 17" HP EliteBook 8770w (i7 3820QM 2.7 Ghz/3.7 Ghz max OC, 16 GB RAM, 256 GB SSD, 1 TB SATA III), RME Babyface, Win 7 Pro x64, Vienna Ensemble Pro 5, Cubase 7, Sonar X3.