As one of its daily deals, Groupon offers the iLuv Acclamation Stereo Speaker Dock for Apple iPod and iPhone in Black, model no. iMM286BLK, for $19.99 with free shipping. That's $2 under our March mention and the lowest total price we could find by $47. It features a 30-pin connector (requires a lightning adapter for the newest generation of Apple iPod/iPhone), 3.5mm auxiliary input, and downloadable iLuv app for alarm and Internet-radio functions. Deal ends May 12.