I can see the Desktop drives on the network from the Netbook.
I cannot see the Netbook drive from the Desktop.

My Netbook is running XP Home
My Desktop is running Windows 7 Home Premium 32 bit.
I have set up a workgroup with the same name on both computers.
I can ping each computer from the other.
I have completely disabled both firewalls.
I have shared all drives.

It's a wireless network.
I can access the internet from both computers.

Please let me know what I can try or what further information I should supply.

Thanks.