5.2 on DELL m/c's

I had installed 5.2 Release on couple of Dell machines.
It works fine on all the systems. (but some dhclient error messages
thrown on console often).

In older machines (like PE4300) it works only if we disabled ACPI.
But in new machines (PE1750, PE1650) it works fine by default(with
ACPI).

All RAID and BroadCom network drivers are working fine.

So if anything needs to be tested on Dell Machines please let me know.
I will do it in my spare time.

But I cannot install 5.2 via USB CDROM. Anybody have any ideas?

Thanks.
--T. Muthu Mohan