So go get a 3rd party gps app if you don't like it; You're not forced to download the voice app. I've been using the Navigation app on my Nexus One for a year now without downloading it. It just beeps instead of talking, and I actually like it better that way, compared to my wife's phone where she did download the voices, and it's just some crappy synthesized lady who's hard to understand and talks waaayyy too much.
Actually, you did download it. Google Maps (includes Navigation, Lattitude, Places, etc) was updated several times since you bought your N1. It was updated using Google Market.
But I wasn't forced to download the voice instructions. That's included as a separate package, and although it bugs me every time I start navigation to download or skip, I'm always free to choose "Skip" and use the turn-by-turn navigation without the voice instructions.
