I'm really happy to announce the start of my HDRI store called JustHDR.
So far the store include 12 packages - 11 including Hi-Res HDRI and sIBL set, 1 with additional background plates.
"000 Sunny Shore" is a free to use package. Download it to check if the size of the images and it's quality is suitable for you. If you want to test all other packages before the purchase - download Low-Res (2048x1024px) HDRI preview files. Links are at the bottom on each products page.
With JustHDR the more you buy the less you pay. Starting with 2 bought products/licenses you get 2% off for each additional item and up to 20% in total.