Where to begin?!? I think the nursery accessories are the best part of a nursery. I have a feeling we are going to come back to this topic quite a bit.
In my mind I picture Don Draper's office/Bobby Draper's bedroom. Leather club chairs, plaid, houndstooth and a little bit of this:
As far as vintage posters go, I think All Posters has a great selection. I also came across this site called Vintage Printable, where you can print poster size images for free! They have some really cool stuff, including map prints like this which I know you are a fan of.
Then there are cool typography prints like this:
And if only you were having a Cowgirl instead of a Cowboy, how fun is this?? Clearly I have a vintage Wild West obsession. Totally subconscious up until this point though!
I am going to keep my eyes open for other fun accessories. The only thing I've found thus far is the cover of this book. I was thinking fun vintage book covers could also be cool framed? Or maybe one or two go on the shelves?
And look, it's your entire family!! Except you need a dog. But Ina is there!!
Okay, last thing before I wrap this up, but it's for Suz and not Baby M. I recommend you add this to the Ikea list...
I own it. I painted it. It's amazing. There is also a mirror version. I think in a fun color this could be very cute in Suz's new room either as a mirror, chalkboard, bow holder (per your Pinterest). The ideas I have are endless.