I must confess I am a big fan of Steve Jobs. Although i don't own a single product made by Apple (yes thats true no macs, no ipods and certainly no iphone) but i totally worship the man. Time and time again he has been criticized for being a salesman, a showman and for his skills of persuasion also dubbed as Reality distortion field. The question here is, which CEO/leader isn't? Look at Steve Ballmer, Bill Gates, Larry Ellison, et al. All these guys are supremely confident about their products and its this confidence which has got them to where they are.
The key to his success is his fighting spirit which is substantiated by his rise despite hitting rock bottom after he was fired from Apple(his own founded company). I guess his background too has contributed to his nature, i mean being put up for adoption just a week after birth by your own blood mother is not the most pleasing thought. This itself would have broken a lot of wills.
His technical capabilities have been under the scanner too. So often i hear people say "Bill Gates at least wrote DOS what did Steve Jobs do?". The way i like to see it is, Apple as a company is still going strong and year after year they churn out quality products (they do have bad days like the safari edition for windows but everyone makes mistakes ;)) The point being, Apple has given us great products and they all have been under the leadership of Steve Jobs, so lets give him some credit for it.
There is an interesting post by Seth Godin on Jobs, look it up. I also like his concept of a 'rifter', makes a lot of sense.