My Zumo 665 has arrived and I am wondering where to mount the XM receiver/antenna. I have read about the recommended distance from the GPS etc and quite a number of people stick it to the top of their front brake reservoir, with good performance. However, that is perhaps a security risk, as it can be quite easily removed. Other locations have much the same issue as well as being compromises. Having read that it is acceptable to mount it beneath fibreglass, I am considering using a RAM mount and a base plate to mount it under the beak. Has any one done this, or have an authoritative opinion on its advisability? Being in Australia, 665's are rarer than rare, and because there is no XM service here I cannot try it out until I land in the States at the end of July; and I do not want to arrive there and find it does not work. Thanks kindly for your help.