You've asked for an expert opinion - an opinion is never wrong as it's a personal thing.
There is a really good article on this forum somewhere about changing/installing HID's, and there is a color range chart in the write-up. If memory serves me correct most people think that 5000K is a better looking 'white' light. 8000K may be close to the purple range - so depending on what sort of 'professional' you are, purple may be the way to go - especially if you have 24" spinners and you've raised your ride...
My suggestion - search for the article - or PM me and I'll send it to you (it's at home), then make your decision.