Here is more info on the products I use for presentations.
Remote control and display yor mobile device with My Mobiler: http://www.mymobiler.com/
Display powerpoint in a different way with pptpPlex: http://www.officelabs.com/projects/pptPlex/Pages/default.aspx
ZoomIt for zooming in: http://technet.microsoft.com/en-us/sysinternals/bb897434.aspx
USB over Network: http://www.usb-over-network.com/usbnet-solutions/virtual.html. This is the product I use for enabling a (USB) sound device in a Hyper-V session.
