I have appreciated the few transactions for which I have used Dwolla. I didn't feel the service was slower than any other bank. Indeed my last transactions went much faster than I thought they would.
Days before the Gox freeze, to my amazement, I transferred a small of funds from Gox to Dwolla in under 3 hours. And right afterward I transferred it back to Gox in about 1 day. My few CampBX transactions through Dwolla have been fine.
I find Dwolla's site design pleasing and usable. I have yet to see a professional looking Bitcoin web site though Coinbase is pretty close. EDIT: I neglected to include Gox as well!
Hmmm, I guess it's different for everyone. I personally did not have a good experience, guess it varies.