I used to own a Ford Focus, and I found the perfect mount point for my GPS. Depending on your year/model maybe yours might have the same features to exploit.
The rounded surfaces and vents were proving to be a PITA for mounts, but I noticed the speedometer cowl extended out beyond the instrument readouts. There are easily accessible screws under the overhang, which turned out to be the perfect exploit. I simply removed one, and used it to bolt in a mount surface- just a metal bar, bent to fit, with holes drilled at either end.
Here's a quick-sketch diagram:
When I first put it in, it held my now-ancient Mio c310 (later a c520):
When I got my DroidX, I simply adapted a generic cellphone holder to my homemade mount point. It misleadingly looks like it's attached to the windshield in this picture, but it's nowhere near it:
In my model of Focus, there was a little junk-drawer thing right under this area, which was the perfect place to both store my power cable (hooked up behind the dash) and bring it up to the phone with the least amount of wiring. Ditto aux cables.
Also the mount position couldn't have been better from a function standpoint- it was close enough to my steering wheel to control a touch-screen with an extended finger while still keeping hands on the wheel, yet far enough not to interfere while steering. It didn't block my view, or any dash readout or vent. I couldn't have picked a better spot if I had tried.
Also the mount held my devices perfectly stable, and when the device was removed, my makeshift mount-bar was hidden behind the empty cradle, and up under the speedometer cowl. So it never looked makeshift at all. Another bonus: When I sold the car, I simply removed the mount- there had been no permanent physical change to the car at all.
I've since had a much harder time finding an equally nice mount point in my new CRV the only thing I've regretted about it vs. the Focus.
Anyway, take a look at your Focus and see if it has a similar dash setup that you can exploit.
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