I made a DIY copy of the KEF R900 with the coax from a R3 non Meta, and to me the distribution of bass by having more than one bass driver, seems to be an advantage to slightly mask the typical bass issues in most rooms between 100 and 400Hz. Below 100Hz the room dominates, so here most speakers have the same problem.
I know it's specific for my room and setup, but I generally need to EQ less with these speakers than with other types - IME.
So I would take the R11 and worry less about the nice-to-have Meta, and then EQ, since the R11 has lots of headroom to spare.
Only EQ above 400Hz with anechoic data - IMO.
Below 400Hz you have much more freedom to EQ without making potential trouble for yourself.
In my experience, larger speakers are typically more engaging and immersive, especially because they have way surface area in the lower region, making able to ad a bit of realisme to the sound, at all volumes.
Small speakers can sound like they have bass, but to me, they can never sound physical like bigger speakers can.
I owned LS50Meta, and one of my friends have R3 Meta + I've listened to all the small and expensive speakers out there. But no matter how impressive they are, non have the presence of this big and immersive physical sound scape that large speakers can present.
Though, I know I'm biased and have a certain preference, so definitely consult yourself and consider your actual needs, for optimum owner enjoyment