I vote for Jack Herer. Kush varieties are usually 100% indica so they'll leave you with a really heavy "couchlock" high. I had some purple kush a while back that was just devastating. A bowl of that and I just wanted to find someplace comfy and veg out for 3 or 4 hours.

Jack Herer, on the other hand, is a blend of indica and sativa. It will get you seriously fucking high but you'll still be able to be somewhat productive. Definitely better for going out and doing anything social.

Never tried Pepper Jack but heard good things. Anyone who has tried it let us know about the high. Is it a down high or an up high?