5 meg of storage or less? Thats because they are probably using some free email program. Go out and pay for an account if you need more space. Or use pgp to encrypt your files, and put them on an ftp server.

CryptoHeaven appears to just be an online storage facilty. Go get an x-drive account and have 50meg free storage. Pay for a datahaven account for storage. Pay for Internet Site hosting and get more storage. Buy a cable modem and use your own computer for storage.

"secure group based collaboration environments" is just a whole shitload of buzz words that means absoutley nothing new, just marketing tactics.