OK so I bought the Air Port Express today. It works fine with the iPad playing music through the stereo. I can also connect to my XP Netbook through DocsToGo app, so I know the communication is there. When I look in the Airport Utilities, I see the printer there. When I try to add the printer in the XP Netbook, it is not there.
EDIT: I just hooked the printer up directly (with the USB cord) to the XP Netbook, and using Print n Share, I was able to print to the printer from the iPad. Just can't get the add printer wizard to find the printer when it is hooked up to the Airport. One other thing I noticed, when browsing for the printer in the add printer wizard, the Netbook finds my home network, which is about 75 miles away, so I think that is wrong. It does not find the network it is actually connected to. This is on wireless.
Any hints to what I'm doing wrong?
OK I finally figured this out and have it working. I can print now from the iPad to the printer plugged into the Airport Express via the XP Netbook.
The printer has to be installed via the Bonjour application, I did not know that was what it was for. Hope this helps others who got stuck like me. Don't use the windows add a printer window.
Cigar time
Spoke too soon, all I can do is access this network, can't get on any other network now.
Be careful when doing this operation, things can go wrong.