i think its a good idea to put "close to tray" option like the existing "minimize to tray", let the user choose if he wants "minimize" or "close to tray" exactly like in utorrent and other softs there are available both of them.
i will attend to the next version to be putted.....
good job piriform team, your product is very simple, light, running faster, stable, and awesome !!!!! continue in this way.....