Representing the companyÕs fastest 16-bit analog output modules, the NI PCI-6731 and NI PCI-6733 feature four and eight output channels, respectively, with each module capable of processing one MS/s per channel. Both cards also offer two counter/timers and software-controlled on-board timing signal routing for advanced applications. In addition, the 6731/6733 include a bus for synchronizing the analog output modules with NI modular instrumentation, data acquisition, motion and vision products. The modules also come with driver software. The 6731 costs $1,295 and 6733, $1,895. For more details, call Ernest Martinez at NATIONAL INSTRUMENTS, Austin, TX. (800) 258-7022.