Here's a new one.... still getting that bit of rpm spike.... even after reprogramming the aux-box:

http://rx8.swankmonkey.com/images/af/af_log6.gif

And here's a detailed WOT, rpm is very much smoother in this one:

http://rx8.swankmonkey.com/images/af/af_log7.gif

Source data (and some old stuff) here if you want to download:

http://rx8.swankmonkey.com/images/af/01082004.dif.gz