PS2 Online Gaming

Does this play well on xlink or is there lag ? because if there is no lag I will buy it and next all 3 of us can play I still couldn't figure how to get my Xlink working correctly (Port-Forwarding is set up, Console is beeing detected, but for some strange reason i can't see any games) but i can te...

I own THPS Underground and THPS4, in case you guys want to play any of that i'd be happy to join in.