Model M Keyboard Bluetooth Mod How To Check If A Macbook Pro Is A Latest Model Of Their Product Line?

How to check if a macbook pro is a latest model of their product line? - model m keyboard bluetooth mod

I think that using a MacBook Pro rigging. Here are the specifications:

"2.5 GHz Intel Core 2 Duo processor, 6MB L2 Cache

4096 MB (4GB) Dual-channel DDR2 RAM
200GB 7200rpm SATA hard drive
DVD R / RW / RAM Slot

GeForce 8600M GT 512MB DDR3 VGA
WiFi 802.11 b / g / n and Bluetooth 2.1 + EDR
10/100/1000 Gigabit Ethernet LAN

Webcam + Microphone 1.3Mpxl
Express Card slot (PCMCIA 34PIN Model)
15.4 Rear LED (illuminated 1440x900 Res)

Lights keyboard (keypad), backlit
All aluminum body (no plastic parts Cheep)
Two FireWire ports, two USB 2.0 ports, monitor output, microphone input, audio output

Logitech MX518 Gaming Mouse
Dual-link DVI + VGA + remote control included
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Original MAC OSX + Vista Business
iWork 08 and iLife 08 installed

How do I know if a product is old or the latest Apple product? Is there a generation, like the iPod or all the same when he said: "MacBook Pro?