Replace GPS with Tablet + software

[Hahser]

My GPS has packed up and I remember I had a crew member who brought along a laptop loaded with Navionics software.

It struck me that rather than replace the GPS I could by a tablet.

I note there are brackets and waterproof casings so it could be mounted easily in the right place.

The Navionics was better than my (rather old) Garmin - which was unrepairable.

Cost of replacement about 800 euro cost of Tablet system about 400.
Anyone comment on doing it this way?

Thanks
Hahser