Talley lows are usually lower than most others, especially Talley light weight one piece. Mediums are plenty low and should give you the clearance you need.
You just pretty much explained the theory of "buy all the XYZ you can afford".
I love some of the high $$ glass thats out there, but have other things that have priority, so I wait until one of my favorites goes on sale for 600. They are way more adequate for my uses and beat the hell out of...