jumanji said:
^ You are referring to restoring the original factory image (complete with all laden crapware) from the recovery partition.

A clean install with DELL OEM Reinstall DVD - the regular media plus the all-language pack - does not require one to know the OEM_SLP key since it already packs it alongwith the digiatally signed MS certificate necessary for offline activation in conjunction with the SLIC on the machine.
Oh well I was only trying to be helpful. I'll leave you blokes to it:)