PSO Blue Burst will be on display at the Shisuyi & hobby exposition Kyarahobi 2004, which is to be held this weekend. As with most Sega demonstrations, Japanese visitors will be able to collect a selection of exclusive merchandise.
^ Each one of these cards will be hidden in a small number of tickets. According to Sega Japan, only a very 'fortunate person' will be able to find all three.
^ Visitors lacking a lucky streak can claim this rare トイハンマー (Toihamma) item, simply by presenting their user ID and password…
^ …And for people that have yet to register a PSOBB account, a free copy of the game disc will be distributed at the show
More details here
Disclaimer: All names are obtained through machine translation and so may be slightly inaccurate.