There are a ton out there.  I will take some liberty and say that Tamiya is top notch for use.  There is Vallejo, great stuff but it takes some getting used to with keeping the tip clean and what not.  Life Color and Badger a real nice and availability and price...you can't go wrong.  Both have "package" sets.  Which is a nice way to go.  AK has some decent sets.  These are color modulation and camo sets but you need not use every color on every build..shading and base, maybe a light one for some highlights is often all that is needed.

You don't need to go crazy...build up the stash of paint as you go!!  Grab two or three of the colors you know you use more than others.

There are a few more and I am sure you will get some decent feedback from the HERD on this.