I originally intended to keep my Saiga sporter (with the poly stock) as is.... but the more I handled and fired it, two shortcomings began to really bother me.
1. The transfer bar mechanism in the sporter trigger made for a gritting, creepy trigger pull. By ditching the transfer bar and installing the Tapco G2 single hook trigger, the pull weight and feel was cleaned tremendously and it is now very good.
2. To my sensibilities, the balance of the sporter config was all wrong. With your hand that far back, even the 16" model is front heavy and awkward. My Saiga sporter came with pin holes in the receiver pre-drilled and plugged, and the correct bottom cut for the forward trigger position was already there (just covered up by a plate). So with conversion being so easy and cheap, I went for it.
Hi caps and 922r compliance aside, I like it a lot better in the configuration that Kalashnikov intended for it. But that doesn't mean that you or anyone else can prefer the sporter config. and enjoy the rifle just the way it is.