I’m very much the same - super thick, frizzy and curly hair that I also straighten heaps. I have the standard size Cloud Nine which I’ve had for about 4 years now and I’m obsessed with it. I also bought my Parlux 385 around the same time and it still runs like a dream, as far as hair dryers go I would highly recommend it:
In terms of a curling wand, it depends how long your hair is, but I’m a fan of the waving wand by BaByliss:
It’s super easy to use and gives a really beautiful loose curl.