Smart nations... not so much. 
Two of my trainees are bigs, both have reasonable/good secondaries - and both were in their U21 NTs (Japan & HK).  The Japanese player left the U21 program, and immediately went to the NT. 
                                
                                
                                
                                
                                
                                
                                    http://with-malice.com/ - The half-crazed ramblings of a Lakers fanatic in Japan