This is my new favorite thing to give new mommies that seem to have everything they need already:

http://www.craftefamily.com/craft/block_baby.asp

It's just a wonderful keepsake, and you can even get your own name laser engraved in it as "a special gift from..."

We got one with the arrival of ds, and I have been waiting for my preggo friends to have their babies so I can order ones for them. ;)