I went for Speedhut Revolution gauges. The 4" and 2-5/8 fit the original gauge cluster perfectly but of course there was a lot of work in modyfying and fitting:
So that's basically where we're at right now. Engine and tranny are set (back & down from stock) and the turbo just came in. So now it's time for Dustin to do his thing! Fab up turbo headers, DP etc. etc. and get the thing rolling!