Default [Q] Nook Simple Touch cracked lcd screen

Hello,

I've accidentally cracked my NOOK ST (without glowlight) lcd screen recently. As I was looking for a new lcd on eBay I've got an idea to make my NOOK a glowlight. Would it be possible if I just bought myself a NOOK ST with glowlight lcd screen and simply replace my cracked one with it? I don't expect it to be that easy, but maybe there's a chance anyway? I really like my NOOK ST and wouldn't want any other e-reader.

Also could anyone advice me with what type of lcd screen can I buy for NOOK ST? The original ones seem to cost a fortune, so maybe it's possible just to buy any other lcd screen of the same size and replace it?

Thank you