I'd drop the SAR-5 and SOB from consideration. I have a SAR-5 and BATAC. The BATAC has a lot more capability.

The SAR-5 is "neater", but I think it has limitations. You'll see this when I publish my evaluation.

JYD #123 The great one formerly known as Architect.

I am now a fictional British television police officer (currently a Detective Sgt) at Thames Valley Station. My governor is Detective Inspector Fred Thursday and it’s 1969.