Funny how things work out. I am about to buy a new white Macbook. (Yes, I did just get a new PC desk top).
I have settled on this because of the FW400 option that is still available. I have the Alesis iO/14 Audio card, which is FW, and external HD's which have FW400 as well.
The spec's today on the Apple Website (as they have changed from yesterday

2 Ghz Intel Core 2 Duo
2 Gb 667 Mhz DDR2 SDRAM
120 Gb SATA 5200rpm Hard Drive
Nvidia GeForce 9400M with 256 MB of DDR2 SDRAM shared with main memory
I will be Running Logic Express (might upgrade 1 day to Full Version)
Eventually full version of Live (if I get a coupon

Sibelius 5
Any input and tips are welcome.
Cheers. G.