When I created an iPad theme for Fever, I meant it as stop-gap solution until someone released a proper iPad app. Yesterday my theme, thankfully, became obsolete when two such apps hit the App Store: Ashes and Sunstroke.
I've purchased both apps, and my quick impression is that Ashes is slicker in terms of presentation while Sunstroke is more configurable1.
Here’s a screenshot of an article in Ashes:
And the same article in Sunstroke:
Ultimately, you can’t go wrong with either app if you’re in the market for an iPad and iPhone2 Fever client.