Powerbook/powermac Help!, I need detailed advice. Options

[ratspg]

Hey everyone!, I have a quick question and would like some serious advice.

I currently own a Powerbook G4 667, with 1gb ram.
I plan on adding a firewire HD + firewire interface to it for recording.

Now heres the problem, I would like to know what the 'specs' or 'audio specs' this system can push through. I'm not looking for CRAZY intensity, but I would need a decent system.

I could trade this for a single 1ghz G4 powermac. Then I would have to get a pci card, more ram, a seperate hd, and etc.

I just would like to know what you guys think, and what could be done with a laptop such as mine, I would be using Logic Platinum.

Thanks so much, advice would be required soon, since people are requesting my laptop, but I am contemplating on whether I should keep it, or get rid of it... it's a great machine, but will it be able to handle?

Most of the things I would be doing would be hip-hop producing, and recording bands of 4 (drums, bass, guitar, mics)

Thanks soo much!