This is a discussion on 2011 aftermarket stereo within the Electronics/Car Audio forums, part of the Interior Mods category; Originally Posted by REX2011 you cant. to mount aftermarket tweeters in these cars so expensive am i correct?? because a ...
Sony also <fairly> recently launched their own series of NAV headunits, and similar to kenwood who teamed up with Garmin, they teamed up with TomTom.
That way you know you're getting a good GPS, plus it will have that OEM+ look to it since it fits right in the double DIN slot.
Get the aforementioned adapters for your steering wheel controls, get a little fancy with your iPod connector (the sony has the capability, you might just have to change out the subaru plug for theirs), and voila - best of all worlds
Crutchfield has them here
sony nav at Crutchfield.com
but I've seen the cheaper one for like $680 on Amazon.
This is the route I'm taking after my wedding this summer (i.e. have money to spend again)