The best opener is different every day. That said, I've been known to enjoy Half Step>Franklins or a Stranger>Franklins. I love Hell in a Bucket as well, it's an easy way to get dancin.
Hardpan, i also love that 75 HSF. It was an early CD in my collection back in the day. Another one was DP3, i love that funicula>TMNS. I've always wanted to see DSO recreate this one....