Man, this thing is BIG! Great SWR on the mag-mount. Had some DX fun today too. I have been using another mag-mount on the hood and it does not bother me having it in the middle.
The mag is so much larger than my Little 'Wil.
Very happy so far. Everyone on the web said Sirio over the Wilson 1000 which I was about to get. The Sirio is much more expensive, so most people would opt for the Wilson I am sure.
If you want a great base-load for some DX'ing check it out. If you go off road a lot, get the Little 'Wil! I highly recommend that little antenna.