All of this stuff seems do-able, I see no reason why it won't work pending you keep all your seperate rd eggs in a row.
(Of course I can't say for certain as I've never tried it.)
I'm not sure if you can open the cd door via a bat file, but I think you might be able to make a shorcut to do it similar to the shortcut you can make to shutdown a 9X machine. I suggest looking over at techtv.com and doing a search for what you want, they have wierd nerdy ideas like that posted often.
As for the focus thing... the current version of rd never really sets focus as it does a "wait until appliaction is finished then unlock yourself" thingy. What this means is there's no way to quit the original rd you launched from, but I won't really matter as all fo the resources it was using will be freed up while it's not in focus.
The only problem I could see would be switching between the different versions. To increase rd's flexiablity I allow multiple instances of the same app to be launched. If you make a shorcut in rd 2 to go back to rd 1, what your actually gonna do is open up a second instance of rd 1. So your gonna need a front-end for your Front ends
May I suggest party-on.... it's geared for small lists and supports user-defined colors/fonts and a preview shot for each entry.
As usual I'll give you some omnious advice.
Wait..... when the Dragon awakens once more all will forever be changed.