Most of your boot up/load speed is not delayed by the HDD - but by the amount of stuff you load for startup. Just for comparison, what is your present Windows load speed? - start counting after POST and the start beep. Stop when all your icons are stable, including the system tray.
Until we can quantify the problem, we can't provide a cost effective assessment of the solution. I don't think it is too difficult. The current price range of the SimpleTech Zeus drives is $8000 to $50000.
"Zeus SSDs are fully ATA-5-compliant and conform to the same mounting requirements as traditional hard disk drives, making Zeus SSDs drop-in replacements for any standard IDE/ATA-compliant hard disk drive. SimpleTech?s Zeus product line is capable of sustained operation in extreme environmental conditions and complies with military standards, such as MIL-STD-810F. Zeus SSDs offer advanced security features, including secure erase and destructive purge. The security features comply with military standards, including AFSSI 5020, AR 380-19, NAVSO P-5239-26, NISPOM DoD 5220.22-M, and NSA 130-2. SimpleTech?s Zeus SSDs are currently shipping. Price range is $8,000 to $50,000."