ive heard good things about the PIAA fog lights are good also you can try these not sure how they perform but its something other than stock:laughing:
http://www.westcoastcorvette.com/p-23-c5-hyperwhite-headlight-bulbs.aspx
http://www.westcoastcorvette.com/p-23-c5-hyperwhite-headlight-bulbs.aspx