The real funny part of this is how the RISC systems slowly added more CISC like features to improve performance and the CISC systems slowly added more RISC features (also to improve performance) until there wasn't a nickel's worth of difference between them and the whole debate sort of just faded away.
Here is the debate: does my software run on RISC or CISC?
The simple answer is everything in life is driven by software. Focus on what you need to do the job.
RISC and CISC both have their strengths and weaknesses. Use a hammer to put a nail in a board. You can use a screwdriver to hammer a nail into wood (yes, I have done it), but it isn't the way you'd want to approach that task.
Well, Some companies still offer both lines (or at least they market them that way). Intel has Itanium (more RISC) and x86 (more CISC). IBM has Power7 (more RISC) and z196 (more CISC). Both are targeted at different market segments of course.