Sharper Image Design Ionic Breeze GP Professional Series Mod 1861

I posted a solution to a similar problem I had with my Ionic Breeze GP. I was able to replace a bad switch and get the unit working again. Please check the following Fixya article for details on my fix:

http://www.fixya.com/support/t123864-ionic_breeze_3_0_repair

My professional series Ionic breeze GP blows out what seems to be clean air but the purple lights inside it are no longer working. Can anyone tell me where I can find replacement bulbs or just what I need to do to get it working again. I got it as a gift 4 or so years ago. The gift giver says there was a 5 year warranty on it but I am not sure. Any advice would be helpful.

thank you. Nicole