Developing...

[fixeighted]

It's quite lurid but I think that is the style you were going for and I do think it works here; gives it a more npr look
I'd agree about the foreground trees - bit of blur I reckon.

[rusteberg]

Here she is in all of her glory:

[rusteberg]

I haven't rendered the power line yet... It's the main feature.

[rusteberg]

Here's her pool.... Speaking of pools, is there a secret recipe for pool caustics? I can't seem to get the results I'm looking for. Close, but not quite.

[fixeighted]

Interesting view - like it
Caustics are a bit of a fiddle imo...always.
GPU is interesting to try them with, as they are always on, so you can avoid that fiddling a lot. It may work better for this but only a suggestion.