CricketMX.com

Send large files to anyone with TransferBIGFiles...

Just select the files you want to send and TransferBigFiles will email the recipient with a link to the download page, and it's FREE!
http://www.transferbigfiles.com/

works good if you have fiber optic or a fast internet connection...or you might be waiting...for a long while.

Gmail lets you attach up to 50 MB of attachments...but doesn't really help if you need to send 700, or a few GB...