Hey Grant, FWIW I tend to agree that I like the filled in version of the lettering too. I especially like the blue one because it blends better with the fish. Unless you are trying to highlight the live stock in the image over the store name I would do the filled in version (JMHO). IMO also, I think depending on the page and it's intent you'd be fine using filled in letters and outlined on different pages. As long as the Font is the same and in the same location I think that would work.
Are you really worried about it looking "fake"? Composites are tough like that, to get it to look real. I think it looks good as it is. However, I tend to be pretty picky and sometimes get hung up on little things (been told I am a little obsessive

). When I look at it am sucked right into that empty space like a black hole. There is so much going on that I am just looking there because I expect there to be something and it's blank so I get stuck there. Maybe even just having a blurred coral or some coralline on the rocks would add some balance to it and let me escape back to the rest of the image? It's just too much negative space for me. The other thing that bothers me (I told you I am picky right, and by all means tell me to bug off and disregard any or all of this if you like…just telling what I am thinking as I look at it as if it were my project…and believe me I drove myself crazy for hours messing with this stuff designing my sites!) are the fish. It feels sort of broken to me. Every single fish in there has part of him cut off. If you were going for that frenzied feeding moment with all sorts of action I might have used more a pulled back view. (I think even just moving that Blue Tang (?), Flame Angel, and the Anthias all more into the image (to the right) would help (it would reduce some of that large empty space too). You may even be able to have a few fish with tails

and I think it would improve the overall feel. I like to have a little breathing room between subjects and the edges of my image. Just my .02 cents.
I don’t know what your original images are like though. You just need to play with these things (and I am sure you have!).
Hope you don’t take this the wrong way. It looks good and is better than lots of stuff people use. Just “thinking†out loud to you. Take it or leave it as you like.
Peace
