Nosro,
I just installed this last night on my Pro machine.
Its awesome! Nice job with those cue points etc. I love the music swap. Bought the 2 albums from Amazon as you did. The .mp3 download is on sale right now for $6.99 and $7.99 (Movie 1 & 2).
As someone else mentioned, on step C, I had to save it as a .mp3 because the free version of Acid wont allow you to save as .wav. Make sure when you select Render as MP3 Audio that you select 128 Kbps in the pull down menu below that.
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Also, I don't know how critical this is, but in step D, 24,000 was not an option for me to select.
I had to go to the Edit menu, then select Preferences, then Quality. On the top, under Sampling, Pull down and select Other ... next to Default Sample Rate: and type in 24000 (no comma).
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Now you will see 24000 in step D. Not as complicated as it sounds.
I did find the music a little low when playing the game. I corrected that in the service menu of the machine by changing it to volume level 2.