I would like to see a very light weight exchange built into this. Having your ISP's email put on the server and then using a web browser, or using outlook 2003 or 2007 you can get it from anywhere in your network using the OWA Interface, instead of your ISP's web interface. This would also help with Backups...the PST's are on the server instead of the client machines. Also having the shared calender would be useful. Just my 2 cents...i guess.