If you want to add DRL but don't like running the headlights up try here:
http://www.webelectricproducts.com/
You're right WV it's a bit pricey for a resistor but I guess you're paying for the convenience. I don't use either of these, I just found them when I was looking around and sharing info. I run with the headlights down and the driving lights on (manual) - works for me.
Dave