Originally Posted by djnitehawk

from what i've read... the 64bit kernel can run 32bit apps without restarting machine...

and the 32bit kernel can run 64bit apps without restarting...

if u boot in 32bit and look at the "activity monitor" you will see that all the core apps/processes are infact running in 64bit and if u launch "system profiler" > extensions... u will see that most core drives are running in 64bit mode...