I'm confused - you're talking about wanting "progress" from going on an E blocker, while not wanting "progress" from going on T? For just a period of 2 months? The (endocrinologically average) feminized body doesn't produce enough T on its own to really do much of anything. AFAIK, going on a blocker isn't actually going to change anything, especially in such a short period of time. Meanwhile, most folks who go on T don't have much to report in the same timeframe. Maybe your voice will begin to drop, but that's not a guarantee by any means. You might wind up with some acne, a little more muscle mass, but most of the changes you're likely to see in 2 months won't be noticeable unless you point them out to someone.
I'd say just start the T and be done with it.