yes i trade up i still have my first blaziken, sadly because of the gen2, gen 3 barrier i cant trade up my first charizard pikachu feraligatr and any from the first two gens
and the battery has long since died many years ago but i am thinking of a solution that involves a beta-voltaic battery from
http://www.citylabs.net/ that hopefully i can pass though airport and border security.
although originally i did it because i had teams i knew i could count on, these days its more for pokedex completion
and selling/giving away bred pokemon to friends/customers or helping them trade up their pokemon because not everybody has a working DS with a GBA portno, i did not modify or use any cheating or editing devices like pokesave
you'll be seeing mews in wondertrade soon, i have been obtaining boxes of pokemon ranch mews for wondertrades because i can. 