This is more than having motivation "to kill stuff" at lvl 30. It's the motivation to continue at all because your at lvl 30. Fallout 3 and NV is TES with guns dude. Just non-depth dialogues, no spells or "fantasy" so to speak, shorter leveling systems, and no drastic changes from the previous predecessors. I said the skills thing already you quoted me on it... Look here's a way Post Your Idea Of How You Would Like The Leveling System Changed. Really, I just want more depth to the character. I only felt that connection through Morrowind and Oblivion. F3 was waaaay to easy, specially after "Aiding The Outcasts" was installed. Once you learned how to wear power armor in the the beginning of the game, you were almost unstoppable. you basically were unless you did something stupid like fight a deathclaw at lvl 8. Back to the topic, in TES, you could get to the point to where you didn't reach max but felt comfortable about your character. If you wanted more you could sharpen other skills, you can't do that with Fallout. That's an better way to look at this thread.
If you want it to be a challenge then why don't you roleplay as someone?
The role I chose tight now, Jimmy T.
He's a slick punk.
He's not going to wear any armor cause it "ain't his style."
That alone will make the game harder for me.
He will only use pistols and knifes but occasionally use a shotgun when out in the wastes. (No revolvers)
This will also make for a more challenging playthrough.
So if you want to wear power armor to make it easy for you then feel free to do so.
"Depth" on the other hand.
I understand what you mean by it.
But still, what you're out after is Elder Scrolls, not Fallout.
Adding this "depth" to Fallout means removing a vital element of it's gameplay.
Too much have already been ripped out of the fallout franchise when they made FO3, they keep it up and it will only be Fallout by name.
Being a fan of the first games before FO3 was released I never want this to happen.
I still want innovation, sure, but in the right way.
That is not to say that Oblivions system is bad.
At first it might seem like one doesn't really gain anything from leveling up because the increase in proficiency is so minimal but when looking back one can go "Wow, I've actually improved a lot!".
So it's a great system that is more realistic and immersive.
But it's Elder Scrolls' system, not Fallouts.