I don't know where you are getting this 2000 number from but you could probably easily
exceed that by counting the CPUs in the system sales announced on the newswires
over the last month.
Every new architecture, even highly successful ones like S/360, VAX, and SPARC had
very modest sales until a critical mass of applications was achieved to drive sales
into production environments. IPF is just starting to achieve a core of applications
that can drive hardware sales. The uptake of IPF into the market has also been slow
because of the huge drop in business investment in IS since the dot com bust. New
hardware purchases are mainly replacements and upgrades for existing systems
(which favours the status quo) and transitions to new platforms, which are complex,
disruptive, and expensive, are have been almost universally delayed.
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