EB actually has games in their store that run from $4.99-$9.99 that are marked PO.
Battle Engine Aquila ($5.99) PS2
Bloodrayne $7.99 PS2
Go Go Hypergrind $7.99
WTA Tennis Tour GC $5.99 PS2 was $4.99, just went up to $7.99
Outlaw Golf 9 More Holiday holes $5.99
You can look for Reel Fishing III at K-mart. Only $1.99 and it's PO.
Grab one of 'em $5 off any PS2/psp game coupon at best buy and snag
Bad Boys
Calbela's Hunt
Conflict Desert Storm
All are $5 each after coupon and PO.