Price check, Late 2008 Unibody 13" non pro Macbook

Pretty sure its late 2008, not sure how to check, the part code is : MB466B/A

Product Description - Apple MacBook Core 2 Duo 2 GHz - 13.3" TFT
Processor - Intel Core 2 Duo 2 GHz ( Dual-Core )
Hard Drive - 160 GB - Serial ATA-150 - 5400 rpm
Networking - Network adapter - Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n (draft), Bluetooth 2.1 EDR
Graphics Controller - NVIDIA GeForce 9400M Shared Video Memory (UMA)
Optical Storage - DVD±RW (±R DL) - integrated
Display - 13.3" LED backlight TFT 1280 x 800 ( WXGA )

Its been upgraded to 4gb memory and now has OSX 10.6 installed, thinking £400, think thats a fair price?, got a few scuffs on the Alu around the USB slots ect but only cosmetic.

Thoughts?

you can use a little program called coconutid to check the build date