Hi from another NZ'r. That's a great start for lomg exposure! I'd say your foreground lacks detail - in fact, your exposure is probably a tad dark overall. If you can't lighten it using your image editting software, I'd try for a longer shutter speed or wider aperture. Did you use a filter to slow the shutter speed or was it late in the day? If it were me, I'd probably climb out on those rocks in the foreground, removing them from the image totally and use those three rocks in the mid range of the image as my foreground so as to have more of that silky water and less shadow. Just keep an eye on your horizon slightly crooked. I see a few dust spots also - eay enough to clone out. Once again - a great spot and nice image - I hope my thoughts are of some use...