Believe it or not, I have found yet another never-been-started CMC kit here in Massachusetts. Original buyer who, like me, got overly-busy with his career and just never got around to it (He's a Veterinarian). Still doesn't want to sell, still wants to build it and thinks he may be retiring in a couple of years (his wife told me he's been saying that since 1998 and is now about 70). Fortunately for me, he's just far enough away that I can't easily bop over there to help. Besides, he has a old 911 to run around in.
I remember, though, when I was working with Carey and Kevin Hines about planning the build for Lane's car, that Kevin honestly told me that one person could build their deluxe kit in "about a month" and I believe that, although I would probably add a couple of weeks to that for unexpected "life-gets-in-the-way" moments with family. That would put it somewhere around 120-150 hours or so. With the crew we had at Carlisle (16 people divided into shifts of 4-6 people per shift) it took 14 straight hours to a driving car (but it still needed some finish work at Bremen). That would kind-of prove out the 150 hours for one guy quote.
If I were to build another Speedster from a kit, I wouldn't hesitate to get a Beck.