I am planing to do the Spring web application developer..so may i know what are the prerequisite for this exam? can i directly purchase a voucher and do..i saw in web for prerequisite it stated "Rich Web Training from SpringSource or Certified Partner"..any idea of that traning? is it mandotry? i saw its schedule in many countries but not mine also i saw an online classes too for it..but what about the price..? i hope to study the ebook spring in action..and do the exam..