how much to get that oem leather installed??I put in OEM leather into my car for $350 from the Roush Store on Ebay. Night and day difference on the interior...
As for the stereo, I threw some Pioneers into the rear shelf and the sound is much crisper now. $40 was what that cost me.
Maybe I will add a box/amp down the road but for now I love it. Also Sync is a nice option which I'm glad I ordered from the factory.
Other than those things, no regrets on not going for the more expensive premium package.
I was very much in your position after buying my car. There is really no point in selling in my opinion, when less than $500 got my interior/stereo looking, feeling, smelling, and sounding up to snuff.