I'm using it to control programs on my PC, not for file transfers etc.
The Girder program allows me to control Winamp, my CarPc software, my DVD software, gives me cursor control(mouse) and the QWERTY keybord allows me to enter keys, Post Codes for my GPS software for example.
BTW I dont use a Laptop its a full desk PC just a very small one.
The desk top unit connect to a serial port. In my case I also had my printer port spare so I used that for a second IR channel and its this that I use to get the mouse control / all the front keys on the remote.
Hope this makes it clearer.