I'll bite and say that I think the cons at this point are unfortunately going to vastly outweigh the pros. The only things that I can think of that would be pros would be potentially the cost as well as any sort of upgrades that have been done to the boat at this point. The cons though, or at least the major ones, would be that the boat is nearing 40 years old at this point and who knows how many people have owned it as well as how well it's been cared for, or conversely if it's been neglected. If you can get the boat for considerably less than the value then it might make sense to go ahead with the deal but it really just depends on the asking price, the actual condition of the boat, what does it have for power, what sort of immediate and long term upgrades the boat will need done to it and so forth? For example, if the seller wants $20k for the boat, yet it needs a trailer, repower and so forth then I wouldn't consider that a very good deal at all, nor would I think it would be worth your time. The other cons that I can think of besides the age of the boat, would be the unknowns such as the actual condition of the wiring or electrical, the outboard, trailer, etc. In terms of cons with regards to the specifications of the boat, you're looking at a boat that is a SeaV1 hull as opposed to the newer SeaV2 hull, of which the latter is going to provide a smoother, more comfortable and drier ride. On top of that, around 1997 I believe, they switched from using standard marine grade plywood to using a product called Greenwood XL, which is supposed to be better at resisting rot.
So... water intrusion, soft spots in the floor and the hull, etc, are likely going to be a bigger problem on an older hull as opposed to a newer one, and you're going to have the less desirable SeaV1 hull as opposed to the newer SeaV2 hull, which the SeaV2 hull is still produced by GW to this day. Lastly would be the price, of which I bought my 2004 GW 228 Seafarer with a 2004 Yamaha F225 that had just under 1k hours on it at the time of sale, along with a 2009 aluminum I-beam trailer for $26.5k in Maryland back in early October of 2021. The boat came with all of the canvas as well as the cushions, a basic Garmin 7" touchscreen and was essentially a turnkey boat, except that I needed downriggers to troll for salmon, which is the majority of what I do for fishing. I personally wasn't considering anything older than a 1998 because of the reasons mentioned above, along with the design change between the 1997 and 1998 model years. I love classic cars, but if they break down you can just pull over on the side of the road and call for a tow truck. A 40 year old boat on the other hand is quite a bit less desirable to me as opposed to a 40+ year old car, especially when comparing a 38 year old boat to one that is half its age at 19 years old. We'll need considerably more information on the boat, such as an asking price, some pictures, the actual condition of the boat and so forth. If it's a steal of a deal, then it might be worth your while, though even if it was say $10k and needed some work, I'd be still look for something newer because of the reasons mentioned above. The SV2 hull is fantastic, it'll keep you comfortable, dry and will keep its resale value much better than a boat that's coming up on being 40 years old now. Of course, those are just my opinions.