Let's see.... Most useful things I got--diapers and wipes, footed sleepers, gas drops, baby Tylenol. As far as bigger things, a Boppy pillow and Diaper Champ. I didn't get them for my shower, but I found them at a resale shop and my mom sent me the money for them. Those were the best things I think I had.
Things I didn't use--wipe warmer, toy bag that was supposed to attach to he stroller, and this bouncy seat that had a mesh dome top over it. You couldn't remove the top and use the seat alone. He was born in January, so I wasn't exactly taking him outside in the cold. And what would be need a mosquito net for in January? By the time it was warm enough to need it, he was too big for it.

I liked the regular bouncy seat, but not that thing.
Best thing I've ever given...

I really liked gift cards, too. I used several combined to get a swing that I wanted since I didn't get one for my shower.