Continuing the push to update its product line for AirPort Extreme and Bluetooth, Apple today unveiled the latest revisions to its flat-panel iMac line. The new 17-inch iMac starts at $1,800 and boasts a 1 GHz PowerPC G4 and a 133 MHz system bus, 256 MB of DDR SDRAM (expandable to 1 GB), and a 4x SuperDrive (CD-RW/DVD-R), along with slots for an AirPort Extreme card (an extra $100), and an internal Bluetooth module (an extra $50). The 15-inch iMac receives only a speed bump to an 800 MHz PowerPC G4 and a $200 price drop to $1,300. Unfortunately, it’s not capable of taking an AirPort Extreme card (though the slower 802.11b AirPort card remains an option) and can use only a USB-based Bluetooth adapter. Simultaneously, Apple announced price cuts – but no new features – for the 17-inch CRT-based eMac, which now costs $1,000 with a Combo drive (CD-RW/DVD-ROM) or $1,300 with a SuperDrive.