I found a decent program that allows updating many TomTom GPS devices without using VB or Wine (TomTom isn't really compatible with WINE anyway.)
The software will work in Ubuntu and it's variants plus Arch and Fedora.
I successfully updated my TomTom One 3rd Edition with the program.
Developer page here.
TomTom Now Updatable In Mint
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Re: TomTom Now Updatable In Mint
Unfortunately this only updates the satellite positions. You are unable to download maps, etc.