Best Buy trimmed its price on the SpeakerCraft Paul Frank Julius Dance Machine Portable Speaker Dock for Apple iPod for $39.99 with free shipping. That’s $10 under last week’s mention and the lowest total price we’ve seen for this dock. Sales tax is added where applicable. By designer Paul Frank, this portable speaker features an interchangeable iPod dock adapter and auxiliary input for other audio sources. It also has a rechargeable NiMH battery.