What should I do with my advanced 4 1/2 yr old?

HOMESCHOOL! You cando just so much with him if you homeschool, and he can go so far before even reaching the age at which he'd be starting kindergarten. Take it from someone who was labled "gifted" in Florida public schools and had to start homeschooling after middle school because the schools were holding me back from reaching my potential. He'll have so many more social and academic opportunities in life if you homeschool, and he'll grow at his own pace instead of being told to wait for the slower students to catch up before moving on, learn to take that ridiculous FCAT and never do any REAL learning, and generally be bored in school all the time. If he's bright, homeschooling is the way to go!