Not bad, but there are a few serious bugs. We have about 10 in the office and all of our systems have two monitors in one system and at least one in the other. Not a single person has said it works perfectly, but most continue to use it, so overall it's serviceable. Pros: Allows mouse/keyboard control without KVM. Allows copying files without switching USB sticks back and forth, fairly fast (mostly) transfer speed for USB 2.0 clipboard copying between computers. Cons: With multiple monitors…