Hard drive access speeds really don't really make any noticeable difference to performance in computer games. RAM, GPU and CPU are the main factors.
I think we at too early a stage to make such a recommendation, I'll just say that right now it runs perfect with my set up.
Because of better scripting commands your average EBII script will be less intensive than a similar EB one, but we will be doing more with EBII so they will probably balance out.
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