Have you contacted Apple about the damage to the iPod? it might be covered under warranty. unless of course you caused the damage and then Apple will tell you that your SOL.
and it is possible to buy replacement lcds for the nano, though they are quite exspensive.
iPhone 3Gs 32GB white | iPod Touch 32GB | 60GB iPod photo | iPod shuffle 2nd gen green | 8945 Songs | 48.9 Days | 64.15GB
SanDisk Sansa e280R