We see a lot of problems with Windows 7 install to RAID, especially with Dual Boot. You wil get no performance gain with RAID that isn't realized by the SSD for Windows 7, and with built-in Drive Imaging RAID's iffy redundancy is redundant.
Better to un-RAID and Install Windows 7 to SSD, place User folders on HD if necessary: User Folders - Change Default Location
XP is nearly XPired, so try migrating your XP programs over to Windows 7, installing if necessary in Compatibility Mode
or virtualizing XP using XP Mode built into Ultimate, Virtual Box, or Virtual Player.
If you need to keep XP and it is tied up in the RAID, try copying it to a partition on the HD using free Partition Wizard bootable CD, then add it to a Windows 7 Dual Boot using EasyBCD 2.0.