Map versions are the same as the game version they are updated for. The PDF version are also searchable

X3:R Minimaps Version 2.5
Flat (GIF 134kb): X3R Basic Map
Printable (PDF 149kb): X3R Print Friendly
X3:TC Minimaps Version 2.7
Flat (GIF 192kb): X3TC Basic Map
Printable (PDF 180kb): X3TC Print Friendly
Please check http://xup.rsyd.com/ for other stuff too.