yeah but theyre your secondary techs. basically, your main focus is on indy tech and your next focus is on those, if you can afford them. at end of set (like on sunday when everything is selling for $1200 or whatever) it's easy to stock up on them, and worth it if you still have 360 turns on hand like i would. also, all week i do buy the bus/res as a commie if i see it up there for cheap, but not if i see it expensive