Its more of a matter of what you want to do. Look over the ship spec and decide what one you like the most/feel most comfortable seeing yourself in. https://robertsspaceindustries.com/ship-specs
If you're coming from WT then chances are you'll want to be doing some fighting. There are ships that are designed for fighting, or stealth, or exploration.
I'm heading for the boom and zoom style avenger. It booms and zooms, lacks maneuverability but is built fairly solid I think.