2. Don't be paranoid but don't play it up.
3. There's no way to hide your age, realistically. You have to answer questions like the year you graduated from college, the year of your first job.
4. There are a bunch of people that age I would kill to work with (35 year programmer), we have half a dozen people in our office with that much experience. We're a C shop and we write very, very high performance code. WORK YOUR FRIENDS, you must have friends, those friends have jobs.