Backup & Recovery Solution

Hi, I need your help
I am conducting a review of backup and recovery vendor products for a client.

The client has at HQ
2 win 2003 enterprise Servers both 160gb
1 win 2000 standard server 80gb
1 win xpp Voice mail server 80gb

1st solution
We what to backup at the HQ and at a remote location over a wan
Dell say do it with the 2 DP600 file server w/Microsoft System Center Data Protection Manager 2007 Enterprise at local & remote locations

2nd solution
Symantec Backup Exec 11d for Windows
REMOTE CLIENT ACCESS OPTIONS
Servers System Recovery Option