I've no experience with it (but did use a 1030 for the best part of a year) - but it's arguably the only Garmin out there that I'd consider potentially decent value at the moment. There's a distinct lack of complaints about it on the various forums - which either means nobody has bought one, or that it's quietly doing it's job for most users. Given I don't think you can even buy 705s any more - and Garmin seem to still be charging £300 for an 800 (which is what I paid for one 8 years ago!) I think I'd prefer a newer unit, even if it is ugly as fuck!?
I had a 605, way back. The only difference IIRC between the 705 is that the 705 connects to sensors. Be warned - the UI on them is absolutely horrendous. I found it very difficult to get on with -the difference in use compared with today's units is like 2000s Linux compared to 2019 Mac OS.
I might have an old edge 800 at home. Don't know how many scratches it has and I have replaced the original maps with openfietsmap but might have the old sd card/a backup lying around. If I haven't checked tonight, pm me.
Have you considered this?
https://www.halfords.com/cycling/cycling-technology/cycle-computers-gps/garmin-edge-explore-cycling-computer?
https://www.dcrainmaker.com/2018/07/garmin-edge-explore-review.html
I've no experience with it (but did use a 1030 for the best part of a year) - but it's arguably the only Garmin out there that I'd consider potentially decent value at the moment. There's a distinct lack of complaints about it on the various forums - which either means nobody has bought one, or that it's quietly doing it's job for most users. Given I don't think you can even buy 705s any more - and Garmin seem to still be charging £300 for an 800 (which is what I paid for one 8 years ago!) I think I'd prefer a newer unit, even if it is ugly as fuck!?