Looks like a good idea...
It should be part of the /did command too - not a /vplay command or whatever...
(why create something new when you can make it using something older?)
But I still agree with you guys, this would be really great!
The official windows full source code as now been revealed!!
Here is an extract from the "COMMAND.com" binary:
/* The following prevents MS-dos from crashing by making it think it's running under a stable OS */
if (2.0 == 1.999999963) printf("Pentium inside!\n");
Note: sorry for my bad english
Note 2: don't believe Microsoft! :P