Congratulations on your new WSM! Follow the others advice. Start slow, then you can progress at your own pace. Oh, and if you haven't tried Simply Marvelous rubs, give them a shot. Sweet Seduction and Apple are REALLY good on ribs!!
Shirley Fabrication 24X60
Weber 22" OTG
"You have never lived until you have almost died". "For those who fight for it, life has a flavor the protected will never know".-Unknown Vietnam Soldier