I know most of the opinions in this section of the ns forums goes un-noticed.
You know how aliens when they get a chamber can't get another till hive goes up.
I was thinking that with marines, we could have 2 different techs, but in researching one of these techs disables the other. This could lead to more different strats from both sides; aliens and marines.
NS1: Boost|. mf
NS2: asc . mf-