BF2, BF2142 : What are the differences

Marcus Nilsson (DICE) answered the questions he was sent by CVG. Here is a paragraph where he speaks about the differences between the two games (auto translation, i'm lazy right now) :

We replaced the engine of returned 3d, but we preserved the netcode BF2. For the players who like to play online, it is undoubtedly best the netcode. Visual appearance was enormously improved, moreover the play is much more stable. The code is inevitably better, one bump above since so a long time. The server browser is 600% faster, the GUI is more ergonomic - In only one stage on a single screen, here you are connected...