Thanks for your input too. Awesome to see that there are nice people here in the forums that are willing to help new players out at the beginning.
As to difficulty of Janna, I don't find her that hard to play. Yea I've gone oom sometimes but that's because I was just casting too much at beg play.
And I've read about her Flash+Ulti-combo in team fights but as lvl9 can't really use that yet
Gotta try Ryze this week then, he was one of the free champs. And I've already bought Veigar, thought he was cool looking xD and he's playstyle seemed fun.