Has anyone used these bulbs? I just saw them in Advanced auto parts and they look 10x better than the silverstars I have. The guy in the parts store was going to get the silverstars but I told him all it does is give white light, not better vision. The XtraVision apparently throw out more flood light so you can see better. Let me know because they're only $18 for 2 instead of $34 like the silverstars.