How do I dual boot my XPS?

I have 2 harddrives on my XPS 720H2C! Drive 1 has 2TB while the other has 1! I was just wondering if it is possible to install 2 OS on this computer. XP on one harddrive and Vista on the other! Will there be an issue's If I do?

 

 

 

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XPS 720H2C - (Windows XP 2005 Edtion)

 

Intel-Core 2 Extreme QX6850
(8MB 3.67 GHz Factory Overclcked)

2 Harddrives:

 

Drive 1:

2TB Performance Raid 0
(2 x 1TB Hitachi SATA 3 Gb/s 7200RPM HDDs)

Drive 2:

1TB Hitachi 7200RPM SATA 3.0Gb/s 32Cache

 

 

Optical Drive:

 

Dual Drives 48x Combo + 16x DVD+/-RW w/ dbl Layer write capable

 

 

Memory:

 

4GB Dual Channel DDR2 SDRAM at 8MGz - 4 Dimms