I have to disagree totaly. Mainly because it can't even be compared to that, considering you have to compare the plot with it. Gaia's Battle System will have a never ending plot, while with Dot Hack, well, it ends somewhere. In any case, the plot and the 3D "Virtual Reality" graphic and weaponry pretty much make up the entire game of Dot Hack, in all the series of it. While with the Gaia Battle System, there are a number of things to do. Doing quests, farming (I know, a lot of people hate farmers), helping others, chatting, getting loot/craftables. The BS won't be killing these almost virtually impossible to kill monsters. >> <<
Also, what Rothelez said, don't bump.