Focusrite Scarlett 6i6 6 In/6 Out USB 2.0 Audio Interface With Two Focusrite Mic Preamps http://www.amazon.com/gp/product/B00CP4IIJY/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B00CP4IIJY&linkCode=as2&tag=bonafsucce-20&linkId=M4IRWLGRG24QXSD2
Shadow Hills Quad GAMA Mic Pre. These things are sick. Each pre has 3 different options for your output transformer. Nickel, Steel, or Iron. And just look at the size of the knobs. Has detented pots that make a satisfying tick-tick sound as you turn them up.