Logic, Motu Ultralite, Novation Le, Drive Speeds Internal/external Help?, is 5400 rpm internal good enough?? Options

[phantom1]

Hello, I have recently ditched my old pc, cubase and my hardware - and i am looking for help with my new set up. I have never owned a mac or used logic 8.
I am looking to produce drum and bass/ dubstep using logic 8, plugins, soft synth, soft samplers.
I'm sure thers a lot of people with this equipment new to logic and apple - I would really appreciate some help, advice , opinions and answers to my questions.

The set up is...

Macbook pro, Processor2.6GHz Intel Core 2 Duo, Memory2GB 667 DDR2 SDRAM - 2x1GB, Hard Drive 160GB Serial ATA Drive@5400rpm

logic pro 8

motu ultralite

novation remote le

sometimes access virus ti


- How is it best to set up these items together for a smooth simple work flow?

- Do i need to purchase an external drive? Whats good?

- which internal macbook pro drive is best for this setup 7200rpm or is 5400rpm enough?

please help i live in the middle of nowhere and have no freinds with this setup...