In light of some issues with the drum kit for Guitar Hero World Tour, Activision has released a statement on the matter.
There were no specifics given on any sort of replacement plan either.
Source
"We believe that these controllers are limited to ones in the earlier manufacturing stages.
"While we believe that this was an isolated manufacturing issue, we are stepping our efforts to randomly test our drum controllers so customers can be assured they work properly."
The company promises it will soon offer a "drum tuning kit that will enable players to fully optimize their drums."
This statement does not make any note of the incompatibility of the drum kit with the PS3's version of Rock Band 2, as was initially promised by the company."While we believe that this was an isolated manufacturing issue, we are stepping our efforts to randomly test our drum controllers so customers can be assured they work properly."
The company promises it will soon offer a "drum tuning kit that will enable players to fully optimize their drums."
There were no specifics given on any sort of replacement plan either.
Source