There is a script available that will let you convert eagle libraries
to Kicad library format. I have used it a few times and it works ok.
Kicad libraries are ASCII files, so it is easy to create your own
library wizard if you can program a bit. Any package you buy/use you
are going to have some kind of learning curve whether it is Eagle,
PADS, ORCAD, Kicad, gEDA, etc...
For someone who has not invested money in a package, Kicad is very
attractive. There was a mention of some incompatibility in Kicad's
drill file output, but that is easily corrected with a patch. At
first I just wrote a few line Python script to message the output into
the proper format. Later I modified the source code.
73 de Phil N8VB