Standing over three feet tall while packing three speakers -- two full-range drivers plus a subwoofer -- the Big Blue Media Tower ($400) is the substantially more expensive sequel to Brookstone's earlier Bluetooth portable and desktop Big Blue speakers. Designed with a glossy black capacitive control top, a silver metal wraparound grille, and a silver base, Big Blue Media Tower is cleaner-looking and more modern than many earlier tower-style audio…
