Actually I mostly am, Frank, but it's often the case (and the risk) that frequent exposure to the forums and magazines can raise one's curiosity and influence thinking. It's mainly an idle thought right now, and I have no plans to make a move to replace my Mirages, but I am aware a seed has been planted.
One thought is that my speakers are 20 years old and maybe I should update them before I retire, when I probably won't be able to afford it. Retirement is at least 7–8 years away, Lord willing, but large discretionary purchases need to be looked at carefully this close to it. It would be foolish to empty my bank account on anything (hence my somewhat reluctant rejection of the McIntosh XR200s), but even spending the equivalent of a year's worth of groceries (the Def Tech Mythos) or 6 months (Golden Ear) needs thought. However, I have downloaded manuals and looked at some specs.
Well I guess you still have plenty of time to decide and time to do a bit of research if you do decide to upgrade.