All - I am moving forward with purchasing the OEM HID Bulbs from HighPerformanceBulbs.com - as others have suggested...

A pair of OEM Phillips bulbs are $154.99 - link:
http://www.highperformancebulbs.com/d4rhidbulbs.html

They also offer the aftermarket bulbs as well for $54.99 per pair - link: http://www.highperformancebulbs.com/hipexed4rhid.html

I'll report back on my installation.