how much is this worth? imac g4

[bearbo]

I just got an email of someone offering to sell this machine to me.. the offered price is $600 with negotiation allowed. Can someone help me to put a price on this? $600 is a bit more than i think this thing worth..

here's the specs

17” Flat Panel LCD Monitor
Computer in excellent condition!
Used for Professional Graphic Design – great for Photoshop, InDesign, Illustrator, Dreamweaver, Flash and many more!
Recently upgraded to 1 Gig of SDRAM
Great for copying and creating DVDs
Purchased Brand New February 18, 2003.
This computer has been a dream to work with, No repairs ever needed!

Built-in: 56K Modem V.92
Built-in Ethernet
Built-in CD-R, -RW, DVD-R, -RW Burner
Built-in: Microphone
Built-in: 3 USB ports (2 more on keyboard)
Audio: Internal Speakers, 1 input, 3 outputs

Machine Name: iMac
Machine Model: Powermac4.5
CPU Type: Power PC G4 (2.1)
Number of CPUs: 1
CPU Speed: 800MHz
L2 Cache (per CPU): 256KB
Memory: 1 GB SDRAM
Bus Speed: 100MHz
Boot ROM Version: 4.4.5f3
Hard Drive: 80 GB
FireWire Bus Speed: maximum speed 400/MB/sec
NVIDIA GeForce4 MX graphics card

Includes:
Apple Optical USB Mouse
Apple Pro Keyboard (two USB ports built-in)
Pair of PRO Speakers
Original Installation Disks OS X 10.2
Setup Manual
Even the Original Box!

 

[bearbo]

okay, i just realized that this might be the wrong thread for this... so i'm going to post it in marketplace to seek more accurate help. so please dont kill me for double posting... if someone wants to delete this one, by all mean do so.