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Trying to decide between the Garmin Edge 25 and 500. I've been using a TomTom multisport watch to track my rides and heartrate during rides for quite a while now, but I'd like to get a dedicated device to put on the bike. The main reason is I am moving to a new area soon and would like the breadcrumb trail navigation feature that both of these devices have (yes, real nav would be better, but I'm not paying ~$500 for an 820).
I'm never going to get a power meter, so the fact that the 25 doesn't support those is irrelevant to me. I can get a 500 for about $85 used, and new 25s go for around $130. Any thoughts as to which would be better? I've heard the 500 can take a long time to acquire GPS and can be buggy, but there have been software updates. The 25's bluetooth functionality is also nice for uploading rides to Strava wirelessly.