i know of a cheaper place for a 5.6" LCD.
$220 shipped @
www.microstru.com/lcd.html
I have one of these and it's great.
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Honda Civic 97 coupe
Pioneer KEH-P5700 with modified Aux In on IP-BUS input and remote, 10" Amplified Bazooka, stock 6 speaker system.
Removeable 5.6" LCD, mounted on dash, Q-lity BookPC ( w/ serial ports ), Celeron 667mhz, 64MB SDRAM PC100, 45 gig Maxtor HD, 24X slim CDROM, Finger Mouse, IRMAN, GPS receiver (RandMcNally), 300W Inverter.
WinMe slightly modified
IRAssistant, Winamp, DeLorme RWE, AudioCatalyst mp3 ripper, on screen keyboard, everything controlled by HU's remote =)
Winamp plugins :
ALBUMLIST, TIXOFT FONT, RESUMER, ROCKSTEADY
SEXY ANALYZER, GUEISS, EONIC, and others i can't recall...