As editor of the VXIbus and PXI Newsletter and as Executive Director of both the PXI Systems Alliance and the VXIbus Consortium, I follow both technologies closely. From my perspective, by far the most active (fastest growing) market for PXI products in the past year has been the military/aerospace market. PXI is just making its first penetration into military/aerospace, (most applications have only bought initial systems), and should continue to have significant growth potential (in excess of 25 percent per year), for many years to come. This growth will come in two ways. First, many of these initial systems will get replicated and second, many new applications will proliferate as PXI becomes more accepted and PXI product availability expands. PXI is going through a kind of reverse penetration scenario from VXI. PXI penetrated commercial applications much faster initially, but is coming on strong in military applications now. Interestingly enough, the past year the military/aerospace market has also been the best market for VXI products as well, primarily from upgrading older systems. PXI doesn't seem to be taking much old VXI business, but instead is finding new business. The market seems to be able to find where each technology fits best and to be segmenting naturally.
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