Where can I get the current version of gnuplot ?
The newest version of gnuplot is 3.7.3 (Dec. 2002),
and the v.3.8 beta version was announced.
The official web site is
Gnuplot Central
http://www.gnuplot.info/
and you can find the current version of gnuplot (although
it is still 3.7.1 there...)
The current version can be obtaind at
http://sourceforge.net/projects/gnuplot/
ftp://ftp.gnuplot.info/pub/gnuplot/
and several mirror sites you can find at the URL above.
For a development version:
http://sourceforge.net/projects/gnuplot/