Maybe you should try downloading some of the free IRs available for SD. I downloaded some EMT250 plate IRs, Westlake Studios, etc from logicprohelp.com
I think they also have some Lexicon 960 or 480 IRs which I've also used. If you prefer the "sound" of Lexicon reverbs, this is a good way to get close.
Also check out
northernsounds.com for free IRs.