I have a new iMac, with Leopard & my fiancee has an older Macbook that I just upgraded to Leopard as well.
When both of has has airport switched on, and set up a network connection manually, she'll find my Mac & be able to connect as a guest, but I don't even see her Mac.
We just want to transfer files etc... It's allot quicker than having to write it to DVD & then copy it over.
Thanx