gauge are great because just looking at them you know if it's good or not, digital take more time because you need to look at a number and think about what it means in term of good/no good, not just as immediate.
The car is on storage, as soon as I get it back, I'll take pictures.
Look at the race technoloygy, the dash4pro display along with DL1 logger could be a nice package. Can also be paired with video system.