John Eno was found to be ineligible and was replaced on the ballot with Kirk DouPonce.
There is a lot of quality art being produced by the 2015 nominees. Julie Dillon, last year's winner for Professional Artist, continued to produce excellent work. Based on their work included in the Hugo Voter's Packet, Greenwood, Pollack, and DouPonce have also produced good work. As a point of personal preference, Greenwood is my top choice here, but it was very close between Dillon and Greenwood. While referencing the Voter's Packet is a touch unfair because unless you're also a voter, you can't see that work. Unfortunately, except for Dillon, none of the other nominees have work posted at the Hugo Eligible Artists tumblr (a great reference for both fan and pro work, by the way), but you should be able to browse the various websites I've linked above to get a feel for their work.
Sadly, I am using No Award again here in Professional Artist. Carter Reid is the writer and artist behind the Zombie Nation webcomic and while his art style fits the work he is doing with that particular comic quite well, it doesn't stand well next to the other nominees.
1. Nick Greenwood
2. Julie Dillon
3. Alan Pollack
4. Kirk DouPonce
5. No Award
Standard 2015 Hugo Disclaimer:
In a typical year, I just jump right into whichever category I'm writing about and let my thoughts sort out the whole mess. This is not a typical year, so I'd like to start by talking a little bit about how I'm going to work through the various Hugo Award categories and how I am going to vote. Simply put, I am going to read everything. If I feel the work is strong enough to merit a ranked vote, I will vote for it in whatever order feels most appropriate. If I feel the work is not strong enough to merit ranking it above No Award, I will not do so. But at no point am I making a blanket statement about Sad Puppies or Rabid Puppies or that I've heard Thomas Heuvelt may have been campaigning for a nomination or anything else that I am not aware of. The ballot is what the ballot is and I will treat it as such.
I am also working with the same methodology as I have in the past, which is to say that there are frequently works and writers on the ballot that I simply and strongly disagree with. In most cases, I have still ranked those works above No Award. I don't believe I have always done this, and I know if I had participated last year, one novel would have been below No Award because I bounced so hard off of the first book in that series that I really can't understand how the second also managed a nomination - and that writer is a Hugo favorite. Most stories compare to works that have previously been on the ballot, so those works that meet my low-bar criteria will secure my vote.