On Sat, 4 Aug 2007, Tom Spindler wrote:
> ...and still doesn't come back from suspend now, either. :-/
> In fact, it reset hard enough that dmesg was completely cleared out
> (although that could be because MSGBUF is higher on my usual kernel.)
> 	Manufacturer: Dell Inc.
> 	Product Name: Inspiron 6000

Can you try again with the sysctl 'machdep.acpi_vbios_reset=0' set before 
you go to sleep? The display probably won't come back, but if the 
caps-lock key toggles an LED, that is a good sign :-) You should be able 
to blindly reboot it that way..

Cheers,
Jared