This head unit was Clarion's flagship model a few years ago and it crammed with features. It has a touchscreen for its main controls which means it has a large display:

Some main features are:
- Full colour 4.2" TFT screen with touch control of radio's functions on a stainless steel motorised front panel
- Includes the high capacity version of Clarion's internal memory recording feature - Music Catcher to store nearly 6 hours of music
- Includes AC Processor IV for Dolby ProLogic II surround sound and many other digital time alignment effects
- Compatible with Clarion's extensive range of CeNET accessories - including CD & DVD changers, DAB tuners, TV tuners, iPod interfaces and Bluetooth handsfree phones
- Powerful 4 x 53W amplifier with four channel preamplifier outputs + 2 sub outputs for adding to your system
- Connect your Walkman or PDA thought the stereo auxiliary input facility
Amplifier features:
- Digital Crossover circuit separates the sound spectrum into different bands to allow peaking and phase cancellation to be minimised thus reducing the muddiness that can result with a 2 or 3 way speaker system
- Digital Time Alignment virtually 'moves' speaker positioning to ensure listener appears to be positioned exactly in the middle of the sound field. Distance can be adjusted from 0 to 500cm in 2.3cm steps
- Dolby ProLogic II decoder lets you enjoy 5.1 channel surround sound with any two channel source, including DVD, CD, MP3, WMA and radio. Virtual 5.1 channel sound using 4 speakers is also available
- Virtual Space Enhancer lets you digitally correct irregular reflection, polarisation and other acoustic problems resulting from your vehicle's design. Simply choose from three available options: Sedan / Wagon / Mini-Van
- Four channel 4 x 53W max power amplifier (4 x 25W RMS)
- Six channel preamplifier gold plated RCA outputs (4 volt) for connecting optional external amplifier
- Stereo RCA auxiliary input for connecting Walkman type device
- Separate adjustment for bass, treble, balance and fader
- Low pass filter (Off / 50 / 80 / 120Hz) and high pass filter
- Switchable subwoofer output turns rear channel preamp outputs into dedicated sub channel
- Anti distortion filter (ADF) reinforces bass / treble sound to minimise phase distortion effects caused by compressed music sources
- Three band parametric equaliser (independent control of front and rear channels)
- MAGNA-BASS loudness feature
- Speed dependent volume control feature (requires GALA speed pulse signal to radio)
Other features:
- Stainless steel motorised front panel with 4.2 inch TFT touch control full colour display
- Active MatriX control allows use of one-touch menus to simply control complex multimedia functions as well as other system components. Call up programs, select stations, input titles, control audio and video output - all with finger tip touch control
- Music Catcher will record up to approx. 353 minutes (LP) or 265 minutes (High Quality) of CD music into radio's internal memory
- 45 second anti-shock memory temporarily caches playback data so if a bump in the road sends the laser off track, playback sound will not be affected
- Control button illumination colour can be set to one of fifteen colours
- Infra-red remote control included
- Can be linked to many factory-fitted remote control systems (requires accessory interface)
- Rotary volume controller
- Auto display dimmer with sensor to adjust display according to vehicle's interior brightness
- Display wallpaper or customisable screen saver can display your 30 character message
- Bluetooth car phone audio can be played through radio (accessory adaptor required)
- Up to 50 ten character titles can be entered for CD discs. (20 for TV mode, 100 for CD changer)
- Complete with front panel carry case, Clarion ISO loom, release keys, installation guide and owner's manual
More info can be found at here
Ive had a quick look around and Amazon has it for £410, dvbcaraudio for £420. Im looking for £200 delivered, please PM me for any questions.