Pretty much my thougths. Was asking this question myself, but came to the same point where, eventually you gonna get enough 4* to easily carry you through, though the beginning is tough (but its always like that, and its also part of the fun to be honest). Those 3K blueprints are gonna take a looong time still.... euch.
Also - the current featured one -Comet`s the name - is pretty damn cool looking.