I was curious what the difference was between the Noritsu Film and Fuji Frontier scanners (see the Richard Photo Lab article here and Johnny's article here). So, I'd like to thank the fine folks at Richard Photo Lab for allowing me to do this compare on two images from my Leica M2 shot on Kodak Portra 400 - exposed to 200. They were kind enough to scan a color negative of mine on the two scanners so I could judge for myself what's going on. Neither of the color negatives were scanned with PAC files on either scanner - both are RPL's "default" settings.
Note: This is a totally non-technical analysis.
Honestly, I was shocked at how drastically different the two scanners behave. In my mind, I was assuming they'd be just a little different and was secretly hoping the Noritsu would be the better of the two - as it tends to show less grain, can be printed much larger, and is processed much more quick at RPL. But for me, the Noritsu looks too bright - almost washed out - in comparison to the Frontier.
For me, I'll stick with the Frontier.
2015 Update: Since getting my Color PAC from Richard, I now prefer the Noritsu with FujiPro 400H.
Here's a couple zoom-in compares. If you'd like to see the digital vs film compare, see here.