QuickerTek announced the immediate availability of its 5.5dBi omni-directional wireless networking antenna for the new iMac G5. The antenna boosts the reception of an iMac on Airport networks up to three times over the built-in antenna, and includes a three-foot coaxial connector cable and a stand so it can be set up away from your iMac. The 5.5dBi antenna is priced at US$99.95.