Apple Logic Pro /LogicExpress Discussion

Apple support told me over the phone that the 2 versions will run on the same system.  Files 
saved in 8 won't open in v. 7x, however.

--- In Logic_Cafe@yahoogroups.com, Gregory <glists@...> wrote:
>
> If Logic Studio doesn't use the dongle, doesn't that mean I can buy  
> the upgrade and keep using Logic Pro independently with the XSKey?   
> What do I gain by buying at new copy at $499 vs. upgrading at $199?
> 
> Gregory
>