Pinboard? I just heard about it myself. You have to pay around $7 for an account (the price increases as the user-base grows), however you can get a refund in the first three days if you don't like it.
It has the ability to import from Delicious and, naturally, export your data back out. Thought I'd give it a whirl.
Something in the roadmap caught my eye:
Get acquired by Yahoo and slowly grow useless