Well, thing can change, but given current trends there is absolutely no indication that PS3 will ever overtake X360.
Check this out.
http://vgchartz.com/hwcomps.php?cons1=Wii®1=All&cons2=PS3®2=All&cons3=X360®3=All&align=1
PS3 is selling at almost the exact same rate that the X360 was selling at at this point in it's lifecycle. Both consoles will enjoy surges of various sizes and frequency from certain software releases, I'm sure, but something much more dramatic than a few AAA games or price reductions will have to occur before PS3 can overcome the X360's one year head start.
"The worst part about these reviews is they are [subjective]--and their scores often depend on how drunk you got the media at a Street Fighter event." — Mona Hamilton, Capcom Senior VP of Marketing
*Image indefinitely borrowed from BrainBoxLtd without his consent.
