Install, start, use - as easy as that, despite several unusual USB devices (Garmin ANT + Agent, Polar USB sensor, EPSON Photo Scan 1650, etc.) takes all the same hardware connection.. Compared to other products Parallels was the only one that did not have problems in the area. Updates can be easily installed, the performance on my iMac (2.8 Core2Duo, 4GB RAM) is in order, on the MacBook Air 13 "running the software" wie'd Sau ". I can only recommend simple.