We all know how controversial picking a "best of barbecue" list can be. Surf a few BBQ blogs in the Lone Star State and you'll be entertained for hours. Outside of religion and football, it's a close third for spirited and emotional discussion, to say the least. Folks in Texas take their BBQ very, very seriously. That being said, the Texas BBQ Posse is publishing our "2010 Best in Texas BBQ" picks. Disclaimer: We have not gone to every joint in Texas, that would take years. Thanks to our friend Daniel Vaughn and his Full Custom Gospel BBQ blog, we…