Speed of Apple Intel dev systems impress developers "Developers are renting the $999 hardware from Apple for a period of 18 months in order to get a head start in porting their applications to run on the Intel version of Mac OS X.
"It's fast," said one developer source of Mac OS X running on Intel's Pentium processors. "Faster than [Mac OS X] on my Dual 2GHz Power Mac G5." In addition to booting Windows XP at blazing speeds, the included version of Mac OS X for Intel takes "as little as 10 seconds" to boot to the Desktop from when the Apple logo first displays on screen." Via Slashdot. Transition kit is available here.
WebObjects 5.3 Which is part of XCode, which is part of the OS.