Q: what cables do i use to transfer files from my pc to a new iMac with lion os.

Gkenb wrote:

 

What cables do I need to transfer files from my pc to a new iMac with OS lion?

If they're both on the same network you can enable file sharing on both and transfer files through your LAN, you don't need any cables.

Please read what Apple has to say about it in About MS Windows Migration Assistant.