The following is a quick list of functionality provided by MBRWiz:

Partition Modification
Delete Partitions
Hide/Unhide Partitions
Set Bootable/Active Partition
Change Partition Type

MBR Operations
Backup/Save MBR, Head, or individual sectors
Restore MBR, Head, or other sectors from file
Delete MBR, or Wipe all sectors on first head
Fix MBR due to damage or corruption
Copy Sectors
Clear or write a new disk signature
Sort partition table entries. Designed to match Windows boot.ini entries

Additional Functionality
Mount volumes within Windows
DisMount volumes
Modify Volume Label
Securely wipe entire disk
Boot Menu- Quick menu allowing user to select bootable partition
Shutdown/Reboot the machine
Create ini file containing the structured contents of the MBR
Read/Write a Status byte in the MBR

Provided with MBRWhisky
a simple MBRWiz Gui
coded by ReD for the 911 forum

All that stuff are freeware :)