I like mine . It comes in handy when you are in my sled pulling knowing what my max rpm is and boost going down the track . Being able to read codes without hooking any thing else up is nice too .
I run egt, boost gauge, and working on an engine oil temp gauge. I go through alot of egt probes though... about one every 6 months. Other than that I love it. Getting a cs for my lly to go in the overhead console. They read boost off the map sensor, and it maxes out at around 25psi, so I bought the expandable kit with the universal hookup and I already had a 0-60psi sender sitting around. I hooked it up, calibrated it and it works great.