EXS 24 Logic Sampler Users Group

Ok I decided to come over to Logic and I'm not just sticking my toe in the water, I'm diving in head first!  I just purchased Logic 5.5 (ordered upgrade to Logic 6) and all the Synths (EXS24, ES2, EVB3, EVD6, and EVP88) and have my order in for the VSL library for EXS24. For Logic 6 I've ordered a new G4 1.42 Ghz with two GIG of RAM and two 20" Cinema Displays.  By the time my G4 arrives Logic 6 should be in my hands so I'll just wait to install Logic 6 and run it all in OSX.  I have a couple questions for you experienced Logic users.

- The manual set-up with Logic 5.5 (Logic 4 manual and three Logic 5 addendum) isn't making the switch over overly easy. It seems odd to read a version 4.0 manual when I'll be using version 6 within the next few weeks. 
--- Any recommendations on how to use the manuals and addendum (should I read the 3 year old 4.0 manual)? 
--- Should I just focus on the version 5 addendum and wait for the Logic 6 manual to be released? 
--- Any word on when the Logic 6 manual will be released?
--- Any "highly" recommended Logic books/videos?

- What would you recommend for the optimum audio and EXS24 mk II hard drive set-up with the G4 1.42 GIG? It has an ATA 100 bus (master/slave) and ATA 66 bus (master/slave) and comes with one 120GIG 7200 RPM drive on the AT 100 bus.
--- Would EXS24 get better disk streaming performance from another ATA 100 drive (slave) on the ATA 100 bus or an ATA 100 or 66 on the ATA 66 bus (Master)?
--- Does an 8 meg cache make a big difference over a 2 meg cache when it comes to audio and disk streaming?
--- Which ATA bus for audio? for disk streaming?

Thanks 
Mike