Agree. I used KHTML (later known as Konqueror) as my primary browser (as a webdev!) since early days of KDE until I switched to Mac in 2006. Konqueror always felt right on KDE, just like Safari feels right on OS X (native feel, integration, etc).

A little feature I still miss was that you could navigate up in URL hierarchy by alt+up, just like in file-browsing mode (not sure if it's still supported by today's Konqueror).