I think I like it. That is, I loved the first 2 episodes.

I've only seen 4 so far, as of this evening - although I'm feeling a bit disillusioned because I felt it as unecessarily dark... and rather violent. It seemed just a bit out of keeping, almost. Personally, I'm very happy to watch something that is light entertainment - humorous, semi-modern (it reminds me a bit of A Knight's Tale in places) and family-viewing. I watch it with my family, and I'd rather not feel sorry for my younger sister if she's not allowed to watch because something is more highly rated.
It's also apparent I know absolutely nothing about Robin Hood, except what I picked up reading the little kid's picture book
Peepo (it's the only reference to him I can think of, asides from Shrek, that is) which mentions... I think his name?

So with that in mind, I don't have any expectations that need to be met, and I didn't find aspects predictable because I didn't know what his friends were called or who Marian was or anything...
So yes, provided it doesn't turn really dark and violent, I'm definately enjoying it.