Quick answer is no. Long answer is also no.

But the tinkerer with a full-blown ability to create his own plastic molding and/or ability to convince somebody to do that for you... then yes. Hope you enjoy that one off mutt that might not work after you've taken the N810 and N900 apart and neither work again.

Could be epic. Either an epic fail or epic win. Let's see which way you go with this.