Then it wouldn't be battle packs, but army builders.
I think you need to stick to the base set by TLG - 4 minifigs and some bricks.
I like your ideas though.
Hoth and Endor battle packs with a twist of Rebel Alliance / Imperial Army would be awesome.
Let's hope a LEGO REP reads this and gets the idea of a lifetime
For starters I'd love you to do the rest of the CW figs
But be aware that I am a perfectionistic bastard and those pics better be good, in fact better than mine!
When you've done them, just post them here and I'll do the copy/paste.