This weekend the Arboretum is supercharging its already prodigious shopportunities with a splendid splurge of visual art and related activities. (Yes, the powerhouse Ao5 Gallery recently relocated to this retail wonderland; don't think it's mere coincidence.) Juliet Italian Kitchen's got live painting going on, there's a caricaturist at Sugarboo, an ArtUs Co market of well-wrought cynosures, pet portraits happening at Ao5, live music on the lawn, typewriter poetry among the elegant eateries, and more.