Eh, I personally recommend not buying bundles even-though they seem like a better deal. I started by just buying paints that I would need for a particular model and continuing from there. Before I knew it I had a full range of paint from all different companies.
Buying a set of paints will only save you a little cash, but I'd bet that the big sets will include paints you will never really touch so you aren't actually saving any money buying them.
If you really want to go the paint route on Amazon then I will admit that I did in fact buy these sets when I was starting painting on a set of Zombicide minis: