There's a nice feel to the brickwork here that has come out of the HDR without looking unnatural, and you've controlled the resulting halo's reasonably well too. That's not always easy to achieve, so well done. However, I just wanted to comment briefly on a couple of aspects of this image....
The fringing is CA and as you are probably aware is down to the lens reacting to different wavelengths of light slightly differently, for example having slightly different focal lengths due to variations in the refractive index of the various lens elements. And there are few, if any, ultra-zoom lenses that don't suffer from this- it's simply one of the compromises to get the zoom range. However, there is a lot you can do in software....
You say you are shooting RAW, so your RAW processing software is the first (and generally best) place to deal with the issue. Using Photoshop-CS and ACR, you can simply dial out the CA by going to the lens tab (in ACR) and adjusting the two sliders- one for Red/Cyan and one for Blue/Yellow. Unfortunately this is one of the parts of ACR that you don't get if you are using Elements.
Most third party raw converters also have similar controls and some such as DxO 'know' about lens and body combinations to try and automatically apply these and other corrections, although in my experience you still need to adjust the CA sliders anyway.
There are also both free and paid for plug-ins for PS and similar programs that either give you correction sliders or claim to give one-click wonder results. I did use one of these a while back with good results, but I now correct in the RAW processing.
Another method I have covered previously is simply to de-saturate the fringes themselves. Although in reality this is simply modifying the distortion, it works well because the edges in question have, by definition, high contrast and therefore generally appear close to black-on-something anyway. The trick is to desaturate only the minimum and affect the background colour as little as possible. Of course, this isn't a one-click fix, but it does work very effectively.
One last note- DO
fix the CA before ramping up the saturation and sharpening controls, otherwise you are juat making things worse and DON'T
, if possible, apply saturation and sharpening 'enhancements' to the corrected areas! Areas such as leaves against a sky often fall into this category.
I'm not sure if you used an ND Grad or it's a fall-out of the hdr processing, but the top of the church is unnaturally darker than the base. You can correct this very simply by first selecting the church (select the sky and then invert the selection) and then applying a graduated levels adjustment to lighten the upper section. It's trivial enough so I won't bother to post a mod.
There are some halo's in the sky round the upper parts of the church which you could argue are appropriate to the type of building and you might say are artistic. Personally I find them small enough not to have an artistic aspect, but large enough to be dstracting. So I would remove them.