In a message dated 98-03-09 21:34:03 EST, you write: << We are a small R&D company. We are in the process of buying an Emulator and C compiler for PIC uP's. Is it worth paying heaps more for the PICMASTER system or is the Advanced Transdata RICE the one to buy? Any strong opinions of choice of C compiler? Thanks >> I have used the CCS and Hi-Tech compiler with success. I currently use the ClearView Mathias emulator from TechTools, it works well for my applications. Allan AllanJH@aol.com