If money is no object, then yes.
Otherwise no, you're just throwing cash out.

Quote:1. Colour GamePanel LCD

IDK, maybe you can find a use for this.  I've never really thought of anything terribly important where you can benefit from this.
You can always use PSPdisp if you don't move your PSP that often.

Quote:2. User-Selectable Character Backlighting Colour

Back lit keys are fairly useless if you can touch type IMO - in fact, I'd find them a bit distracting if I'm in a dark room with only the monitor on (I generally don't do that, I generally leave some ambient room light on).

Quote:3. Twelve Fully Programmable G-keys with Three Macros Per Key

Most cheaper keyboards have additional "media" keys.  These can be software overridden to perform custom actions.  Probably not as convenient and won't be as many, but may be suffice for your needs.

Quote:4. Two High-Speed, Powered USB 2.0 Ports

USB hubs are cheap as.

Quote:5. Game Mode Switch

Can be disabled via software.

Quote:6. Multi-Key Input

I think most keyboards do around 3-5 keys at the same time - this one guarantees 5, but I don't really see it being used much.
Only thing I can think of is if you're doing 2 player off the same keyboard, but in all seriousness, you could just use 2 keyboards instead...