I'd have to put myself near the sugar or caffeine addiction level, it's strong but deceptive. I go to a place called Golf and Ski warehouse, I assume it's just like Golf Galaxy, indoor putting green, full lineup of gear, indoor/outdoor ranges and swing monitoring. I'm there for some reason or another 3-4 days every week.
I get out to the driving range 3-4 days a week, and play golf once or twice per week depending on where I can get out for cheap money!
I'm not as big into TV or Magazines, but Golf Digest and such are always the first I look for when I'm at an office or something. I do watch most every PGA tourney, and have been watching a lot more of the Nationwide and Euro tours this year, but probably not as bad as most.
Golf related forums are definitely a new experience for me, so as far as my golf nerdiness, I'd have to place myself around a 7/10. I like to think I understand the physics and science behind the game better than the average joe, but by no means am I a master of all things golf.