Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
The most advanced is PCB Design Expert which contains all the tools and features for high speed design(constrain Systems more complex).
If you don't design high speed boards you can stick with PCB studio Performance or even PCB studio. 8)