Yes, with gaming and high-res unconverted video playback. As long as the rest of the experience is smooth, responsive, and hiccup-free, no other benefits exist.
Convergence? I'll wait for a true evolution from the S60 platform on that next device, or wait for UMPCs to get smaller, get cellular radios, and catch on as REAL smartphones with full-fledged no-nonsense operating systems. (In case you couldn't tell, I've been underwhelmed by every smartphone OS I've tried from Android to WinMo, iPhone and BB inclusive.)