If you and your clients have conferences Mikogo will help at no cost. Its kind of like go to meeting.
http://www.mikogo.com/

Add Meebo to your website for instant chat with potential clients.
http://www.meebo.com/

Online document backup
http://mozy.com/

Perfect for sending large files
http://www.sendthisfile.com/

Donna Jackson
Ladies with Pencils