I´ve been playing in netgames since V1.09... So I don´t really know how good old maps were, but I think there should be more match maps. I agree with Mystic that most times you don´t play through all levels, but 10 just get boring... I think there should be more, and I agree with Kroze, an option to choose the maps you want to play could be sweet.
I wish no match maps to be removed... The 10 of them are cool. I personally really like Hydro Plant and Noxious Factory, it isn´t just to run and shoot, they have more platforming things. I will really love to see 8 maps more that difficult and that fun. I agree with Mystic than they need some modifications... (Hydro Plant is just a war for the shield, and the Random Item in Noxious Factory is just too hard to get it). If Hydro Plant is removed I want a water level, it´s just frustating that there aren´t no more water levels in new Sonic games, I wouldn´t like to see that happens in SRB2 :?
And I agree with Sonicandtails218 too: There should be at least three different rotation modes for match... Maybe separated in easy, normal and hard, or whatever... If you have played a map more than 50 times, you get bored of it... 30 maps would be just a really high amount of maps, so nobody should get bored about them.
Oh, and I think the crushers of the castle should be removed too...