Krisb,
I believe my GLV2 to be a 6V, so not much help with the 5V (not yet...waiting on the GLV3 to get here), but I do drip. The atties I use come from Ikenvape. I love love love the 306 with a pyrex drip tip. I also like the HV 510 on the 6V. Ikenvape's atties rock!