My first custom was a 257AI and I love it. I get 25-06ish numbers (3330 fps w/ 100s) and long, long case life w/ no stretching in 7 firings.
That having been said, when I had the chance to build another custom on which I intended to correct the issues I had with that 1st I went with the Standard Bob. Same with a first deer rifle for my son; standard Bob.
If you just like something a little different with less trimming AI is cool, but in the long run it really is hard to beat the original Bob. I wouldn't punch it knowing what I know.
