Hi metz.
It's a solid, compact unit that works fine for my modest needs. Bear in mind it's the first interface I've purchased so I've got nothing to compare it too, which may limit the usefulness of my opinion to you. It's given me no trouble at all.
Ben
Win 7 Pro x64; i7 3770k; 16GB RAM; Sonar Platinum; Moto Ultralite-mk4