Default Market Update to follow Winmo's?

Does anyone think that now Winmo has made markeplace apps downloadable to sd card that android may follow suit?

or is it harder to do on android?

I have a Hero and i love it. especially when the new 2.1 update goes live but it only has a piddly little 256mb internal storage and i have an 8gb sd card!

And yes i know i can Root my device but why should i hack it just to have the chance to use the app store?

Any opinions on this?
Running Galaxy Nexus on stock 4.0
Desire HD on leedroid

(Rooted my Hero with the help of btdag's epic guide to rooting the HTC Hero)

Campaigning for a better facebook app for Android here