Hi Cabo92,
As it now stands TZ Maps (what you call XL maps) are only for NavNet TZtouch XL MFDs, Nobeltec TimeZero v5 and iboat app. TZT3 has some excellent charting options depending on the area and what you are looking for. If the focus is fishing bathy, then C-map MM3 offers some really good bathyline charts for most areas for $100 list with large coverage. I normally recommend you don't buy anything until you provide our tech support (or you local support if not in North America) a lat/lon so they can get you some screen captures for that area of the options. C-map gives that bathy licence for free (of the same area when available) if buying a navigation map. Many will buy the Navigation chart and get the two licences (Nav and bathy) so they have more options, even when in US waters. Some areas have CMOR, purchase HO charts and C-map options. Everything is area depend, even with the new TZ Maps for XL.
C-map Bathy line chart example, changes based on range.
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