Weaver makes some fine paints:
http://www.weavermodels.com/page7.html
Probably the smoothest finish I've seen on any model using this paint.
I use mainly acrylics these days but with discontinuance of Testors Floquil and Polyscale paints I'm going to look at TruColor Paint:
I emailed them and got some pdf files of their paints chips but haven't had the need to buy any yet.