Where is all this going I hear you ask? What's his point? Well to tell the truth I don't hear anyone asking this - the comments sections are remarkably empty save for jkeny egging me on :D
So here's my point, and its a single word: convergence. Convergence is coming to digital architectures - indeed its already here, just the majority of people have yet to notice.
The diverse marketplace for embedded processors is rather similar to the market for home computers in the early to mid-1980s. It was hard to make the choice - Acorn, Sinclair, Apple, Commodore, Atari, Amstrad, Dragon? Then convergence arrived in the shape of the IBM PC and those brands (with the exception of Apple) were relegated to the history books.
It took quite a while after the 1983 arrival of the PC for this to occur. I had an Acorn Atom which I built from a kit in the long summer vacation after I graduated, and I didn't make the jump into PC-land until the early 1990s. It wasn't...