Old Sarge brings a good point.
Size over the other options is something to consider. For me, I have a 3D, I like the digital interface and think it works well and lets me do some things with step cooks, timed cooks or temp cooks. I’ve used my Dad’s #2 analog and it works great as well.
One thing I believe the digital offers over the analog, is cooking at a hotter temp. I do smoke at a higher temp, 275, but I don’t recall what the analog’s top temp is.
But if the bells and whistles aren’t as important as cooking surface, an analog would do great. My Dad loves his #2 and I love my #3D!