Great! thanks for the quick reply!
being uk-based, i don't browse the US sites, so i stood little chance of finding this out! :-[
(maybe a list should be posted/stickied onto the forum giving all chipset types, and which twinplex mounting plates are compatible?)
10mins later in a quiet english street...
edit: well, i've just found the exact same info on the AC german website, i'm starting to feel a little small of brain