OT: Which poker discipline requires the greatest skill?

[stanzee]

This is probably in the wrong forum, but i'll post it here anyway since i mainly only visit 1 table-tourny section.

In my opinion NL Texas holdem requires more skill then limit, but in your opinion which of the other poker disciplines requires the MOST skill?

I got into texas holdem mainly because it's the game they all play on TV and is undoubtedly the most popular form of online poker. Now i want to find a game that has a larger "skill" element for me to try my hand at. In your opinion which of the other games actually involve more skill (if any)? And a side question is, do you play any other games then Texas holdem? If not, do you intend to play any other games?

EDIT: I realise it is impossible to define which game requires the most skill, but just interested in your opinion on which requires the most skill