helidrvr,
I like the sound of the M400. Hadn't heard about that one before.
I hope Mr Moshier replies; this could be an interesting discussion, though I probably don't really understand the technical details well enough to join in.
Whirly
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To fly is human, to hover, divine.
[This message has been edited by Whirlybird* (edited 15 October 2000).]