1) SNES is my favorite, with PS2 being very close behind.
2) NES. Growing up, I was always fascinated by the NES. I was born on it's tail end, and because of poor knowledge about it's upkeep, I almost never got a chance to play one. My early daycare had one that never worked, a few people I knew had ones I wasn't able to play much, and I bought one at a garage sale at a young age from a neighbor that I thought was broken and returned because of my poor knowledge of cleaning them then. I grew up with an Intellivision instead until I got an SNES. When I finally was old enough to have some money their was no NES bubble yet so I was able to buy up tons of games for nothing, how I miss those times. All the games where mysterious because I only saw a handful of unique games in my limited experience, and there where so many of them! So, I decided to get all I could. Now I am sad when I look back when I saw games like Bubble Bobble 2 & Little Samson and thought that $50 was WAY too much...