Chris Breen concludes:

So, what it boils down to for me is this: What in Lion compels me to abandon what is currently a stable and functional version of the Mac OS? As a mouse-centric power user who’s tweaked his Mac to near-perfection, not enough.

Yet.

I’m on the very same page as Breen. His article perfectly summarises the reason why I haven’t yet upgraded to Lion either.

Source: Why I’m not committing to Lion – yet | Operating Systems | Macworld