Running the NEW MS Vista and finding out your legacy software is incompatible: Such as some of your old charting or analysis programs that are 16 bit. Don't fret. Look into virtualization. Programs such as VMware's Player: http://www.vmware.com/products/player/ Or, VirtualIron: http://www.virtualiron.com/products/free_download.cfm Or my favourite, Parallel's Workstation: http://www.parallels.com/en/products/workstation/