I think a lot of it has to do with karma! I was a Nikon-Guy for my entire photographic life (30 years), always preferred them over everybody else. Then I started reading the LL and I switched to Canon (you can imagine why ) because I went digital (I was using an F5). I had my fair share of problems with the Canons and finally said the hell with it, sold ALL my Canon gear and went back to Nikon, I purchased a D300, I had that for about 10 months and decided to buy a D700. I couldn't be happier, I use them with the 14-24, 24-70, 70-200 and I just ordered a 200-400. I walk around with the 24-70 on the D700 (yes I wish it were 24-200) and I use the 14-24 quite a bit because of my work. I love shooting the D300 with the tele-zooms at sporting events which I believe the Nikons excel in. Obviously you can't go wrong with either Nikon or Canon, it comes down to what feels right in your hand and which you have the best luck with. You do have a lot in lenses and you will lose your ace financially, but take it for a test drive first. Let's face facts, they both are great systems but some people have better luck with Nikons and some better with Canons. Everybody that I know who owns a MAC loves the darn things, they have Ipods, Iphones, IMACS, Mac-Pros etc. I finally decided to get an Ipod, 2 of them died, I then liked the IMacs so much I bought 3, ALL 3 of them DIED 2 hard drives died and one video card. I have always been a PC guy and I always build my own systems, never a problem, I added 3 Macs and all hell broke loose. I didn't buy the Iphone because I've had incredible luck with Verizon and they now have a world phone so it works in Europe when I travel there. I'm done with Apple products, I will never buy another, I even sold all my stock in the company! Save the flames!