My corporate laptop requires closer to 5 mins to boot - If I save 9 x 5 mins on 9 successive reboots and crash on the 10th I'm still ahead of the game. "Instant boot" hybrid drives are coming - it's been a holy grail for the industry for a very long time - I'd welcome it that's for sure.
Maybe you could convince your company to buy you one of these if boot times are such a big concern:
Sony VGN-UX90SP - $2499(+$85 Shipping to North America $85 to Europe) - The SP features a 16GB High Speed Flash Drive. This means the UX90SP has instantaneous start up and applications launch 3-6 times faster! This amazing computer comes with a 1.2GHz Pentium Core Solo CPU (2MB L2 Cache), 802.11 a/b/g WiFi, Bluetooth 2.0, 4.5 Clear Black XGA (1024x600) LCD, 512MB RAM on board, Windows XP Pro English, and an ENGLISH KEYBOARD!