Well, I haven't checked it out, but here is the HP thread stating the purpose for the whitelist:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?admit=716493758+1103150660688+28353475&threadId=567021
Well, what I read on that forum, it looks as HP is using it as excuse, and that they don't have any intention of whitelisting anything without HP label on it. If that happened to me, I'd just return entire laptop to where I bought it. And I'd look for something with no BIOS restrictions.
Anyhow, if you are in hacking mood, you can always download a BIOS and use hex editor to whitelist your card. Of course, I'm not responsible if you don't know how to use hex editor and render your laptop unusable ;-). If it works, put instructions somewhere on the web for other's to use.
-- Aleksandar Milivojevic <amilivojevic@xxxxxx> Pollard Banknote Limited Systems Administrator 1499 Buffalo Place Tel: (204) 474-2323 ext 276 Winnipeg, MB R3T 1L7