I have a DS and 3DS, I don't have the XL yet even though I actually have bought my sister one for Christmas with Super Mario 2 pre installed on it. I do intend to get one of the Pokemon edition ones though.
What new about the gold edition besides the color? I just ordered a flame red 3ds on amazon today I got a ds lite a week ago but then took it back and got all my money back after I learned that nintendo shut down the wifi gaming for nintendo ds and ds lite.
Nope, the last handheld I owned from Nintendo was the Gameboy Advance. There are a couple of games in interested in (listed some in one of your questions recently ago) but never bought one... but might do one day