I haven't been a fan of Kangertech, but I drop my vapes a lot. I briefly had one of the newer picos and I wasn't a huge fan and ended up selling it. I liked the mod, but not the tank it came with and well, it just wasn't my thing.
I'd say select your mod and topper rather than going with a kit, personally, but either would be a decent first choice for a first kit, and if you want to go lower wattage, the pico is nice and small, and does have one removable battery to charge, and I do prefer that to internal battery mods. Since I know almost 0 about the Kangertech, I can't really say one way or another. I don't use them because they're a bit fragile for my tastes. But ultimately go with the one that appeals to you, and depending on how you like whatever you choose that will help you decide which direction to go next . It is somewhat rare these days with so many options to land on the "perfect setup" on one's first try, although if wanting to quit smoking, you really should have a backup vape anyway ,so choose one and try it and see what you like/do not like about it and etc.
Welcome to ECF.
Anna