@nfrenay: no problem.
@kuja: &*@#&$ multiplicator
@geeza: why don't use the command-line options? for example create a low.bat file:
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8rdavcore -f 166
8rdavcore -s 1.5
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and a high.bat:
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8rdavcore -s 1.65
8rdavcore -f 200
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It's faster than starting 8rdavcore, select a profile and apply it ;-)