Again, thanks for all the replies guys. I'm sure many of you noticing and hating my rebellious, must-go-against-the-grain side in here already, haha. But I really appreciate the info / opinions. I'm not commited to buying this project, nor am I going to give it up. But if I am going to back away it would need to be for a good reason - if the hull is not sound that's a good enough reason.
I hear from people here that crazing could let water into the glass which results in a weak hull. And I'm also hearing here that the crazing on this boat is more severe than they have seen before. However, what I see elsewhere is that this kind of crazing is typical of 1960's fiberglass boats. I also haven't seen anyone mention hull crazing resulting in water damage. So while I believe people in both camps I think it's worth investigating a bit more in depth and not just making a kneejerk reaction based on how dirty and grimy it looks.
Something that keeps coming up in this thread is Glissandro, the old Triton boat that was restored to fantastic standards. I have been following that site for a long long time. I recently found the plastic classics forum too and started searching for gelcoat crazing.
I found a post by one of the members and included in the post was this photograph. Followed by the owner of Glissandro who mentioned that this kind of thing is extremely common (I think he said it was universal actually) on old fiberglass boats and appeared because the gelcoat was laid on too thick at the time of manufacture.
So while I am hearing from people here that crazing may result in hull damage, I'm hearing from people over there that it's probably minor, and I'm seeing Glissando's owner also say it's a minor issue. His boat had pretty gnarly crazing when he bought it, you can see it on his website.
Thanks again for the link to the plastic classics forum. I hadn't checked it in a while and it reminded me to go back there.
I thought about doing the engineless thing but in my experience especially in the Pacific Northwest you can often get weeks of solid cloud cover or no wind which eventually would kill all my electricity and leave me with no way to navigate (can't even use a sextant if you don't have sun or stars to do it with).
Keep it coming with the posts. I'm sure there are a thousand others out there just like me who will stumble onto this thread with google sometime in the future and will appreciate the info contained.