My first skoda......12 plate octavia vrs needs sat nav

Hi all,

New to this but thought I would give it a try. I bought my first skoda a 12 plate green with black alloys vrs. I have had a lot of cars over the years from beetle convertible, mg midget, xr2&3&4, capris, manta, clio, mondeos, insignia, Tvr Tuscan, saab 93 and more but you get the picture and this vrs I love the most. It's not the quickest I have had but it certainly handles well and is great value for money. Anyway I want a sat nav is the Columbus the best option or should I go for an aftermarket can anyone recommend anywhere I can get one I am just outside Liverpool and would travel if its worth it! Can anyone recommend any worth while upgrades it's the diesel?