I would agree that you really can't have one camera do it all...

I had a bunch of old film pentax lenses and bought a pentax k20d because pentax made their dslrs compatible with every pentax lens ever made - yes, you don't always get autofocus. I haven't regretted going with pentax.

I do a lot of kayaking, so required a waterproof digital camera (I don't risk my dslr to salt water lightly - it rides in my deck in a pelican case, but it only comes out when conditions are calm and only briefly) ... I did get the pentax optio w60, because at the point that I bought, it was the best waterproof digital camera available (from what was important to me). I use that for biking, kayaking, and just quick things to have a camera thrown in my purse.