But there is something about the SX-1010 that really exemplifies the classic era.

The x3x knobs are a metal shell with a plastic insert for the splined shafts. the X2X's are generally solid metal.
For some reason, I find myself REALLY wanting an 880.x50's, and x80's for me. But probably because these are what I loathed over growing up. Even as a child, I loved electronics, and still do to this day. Here's a pic of my my sx-780, and sx880.
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Not really a fan of the x50 or x80's. But I DO like my SX-790. You get a generic pic because it's in the shed right now out of rotation while the SX-939 gets a workout.
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I recently got a very nice SX-850. Pioneer did a great job on that series. Even the lower end ones have real wood veneer and the faceplates are the same quality as the bigger siblings.
SX-3600. It's big brother the SX-3900 is pretty impressive.