TRA worth it? Yes, to me they are. I bought all of them and never looked back.
Every photo is different... I can use the SAME exact action on one, and then use it on another photo, and the result can be totally different. It all depends on the colors and style in the original photo.
I use the editing tools more than the actual creative edits from TRA, tho... they save me time, and time is money, so they're worth the price, IMHO.
Besides, most of our unique look should come from the photos themselves, not the color treatment that we apply. The creative actions just add an edge, or something different, if you will, to a normal color photo. I create recipe upon recipe with TRA's and love the results. It's actually a lot of fun!
I added them on Facebook and once in a while they run specials just for their fans. I got the whole package at 25% off. Worth a try, I say 