I say : look at the ASW20 with an experienced glider engineer and take their advice.
The work needed before flying it may be fairly small, or more major. That needs to be taken into account with the pricing. As has been stated, in a dry climate, good trailer, then more likely less work.
The ASW20 whilst old is a classic glider (newer than most C180s for instance),
Suitable for someone with a bit of experience.
Don't be put off, if it looks OK and the price is right go for it!
No engine to worry about!
