Edge touring plus does everything you're asking for. Why not get another one? Garmin will do a 'refurb/battery replacement/exchange' on your old unit for under £100 even if out of warranty.
If you haven't already discovered that your Edge can give turn by turn directions, beep warnings, flash up the junction view & tell you how far & how long to reach the turn etc., you'll not find another device that is any more understandable.
This applies to routes created with RWGPS or any other mapping software, create as GPX file & upload to your device.
As far as typing in a location is concerned, I don't know of any device that does this reliably and doesn't direct you down gravel tracks etc. and nobody with any sense bothers with it.
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