According an official WSOP updates e-mail to mark the halfway point of the 2008 WSOP, here are some interesting statistics:

Players on the verge of pure exhaustion who entered the most events:

Thomas McCormick (23)
Sirous Jamshidi (22)
Amnon Filippi (21)
Justin Bonomo (21)
Phil Ivey (21)

Players who might my new best friends with the most cashes:

Nikolay Evdakov (6)
Rolf Slotboom (5)
Tom Schneider (5)
Kathy Liebert (5)
Alex Jacob (5)
Roland Isra (5)

Players who have lives outside of the WSOP with the highest cash percentages:

Kathy Liebert (5 out of 8 events)
Sarah Bilney (4 out of 8 events)
Tom Lee (3 out of 6 events)
Peter Debest (3 out of 6 events)
Calen McNeil (3 out of 6 events)

Players who won’t give me their phone numbers earning the most money:

Grant Hinkle – $831,462 (1 cash)
Phil Galfond – $817,781 (1 cash)
Nenad Medic – $810,608 (2 cashes)
Scott Seiver – $781,866 (3 cashes)
Duncan Bell – $666,697 (1 cash)

Finally, 12 players are tied for reaching the most final tables (2) this year:

David Singer, Chris Bjorin, Andy Bloch, Alex Bolotin, Scott Clements, Jacobo Fernandez, Fu Wong, Minh Ly, Daniel Negreanu, J.C. Tran, Theo Tran, Erick Lindgren (WSOP claims 11, but I found 12 – revision may be in the works)

UPDATE: David Benyamine and Barry Greenstein should also be listed as reaching 2 final tables this year. (Thanks to the peanut gallery commenters!) If there are any more missing from the list, I give up!