A wireless networked computerized wagering game system comprises a gaming module operable to present a wagering game on which monetary value can be wagered, a wireless network module operable to connect the wagering game system to at least one other networked device via a wireless network connection, and an audio module operable to manage an audio function of the wagering game system. The collection receptacles are automatically removed from the output stations of the installation and transported on a transport path to a peripheral transfer mechanism, in which the mail articles are removed from the collection receptacles with the aid of a gripper and are transferred into transport receptacles of the installation. Also provided is a method for screening agents for activity in the treatment of persistent neuropathic pain, as well as methods for use in developing agents for treatment of neuropathic pain. The cache memory portion may comprise a plurality of delay caches that are updated with data samples from corresponding delay lines in the main memory.