honestly, I think this issue is getting blown up to big. I am a school teacher and would primarily use my phone indoors. Maybe it is just me, but I don't consider this to be an issue. Sorry, not hating but appreciating an awesome phone.
So it works for you and that's great (for you), but the problem is it does not work for people who choose to use their phone outdoors. I'm sorry, but I don't see how HTC or Google could have missed the dismal display outdoors. Maybe they just don't care. I guess that's where Apple is different... they want the display to look great everywhere, not just inside.
The N1 is such a great phone, I love everything about it except for it's display while using it outside. If I didn't love the phone I would not bother complaining and looking for a fix, I would have just sent it back and went back to my iPhone.