"Do you think that professional video games would dissapear from the world of PC?" Answer: No. When all the businesses in the world starts using Playstation 6 or Xbox 13 then I'll be concerned. Until then, if your using a console its because you lack the required skills, time, money, or interest in video gaming on a pc. I don't see pc's leaving our culture anytime soon. Also, what are some of the very first programs for a pc? You guessed it, games. Many people will migrate back and forth depending on the quality of games released by the console makers. They just want to play a great game. The majority of us though will be playing pc games until we die.
"Do you think this interest drop for PC games will hinder the sales of Elemental?" Answer: Maybe, but doubtful. My take is that the economy is not doing well. I think people will make fewer purchases in general. However, Elemental could be one of those "If I only get to buy one game this year what would it be..I know Elemental: War of Magic!" It's a game with a new engine, developed by a respected small publisher, has lots of options at the beginning of a game. You can play multiplayer or singleplayer, online or offline, is being made to be very mod friendly/gamer friendly and the owner of the company is spending large amounts of time and effort to communicate with the public at large on how to make the best game possible. Personally, I hope it sells 10million copies.
As an aside, I think your statement here- "Console games are now as powerful as PC games, they allow you to play online and they do not have the bugs of the PC: compatibility problems, crashes, etc. Like my friend once said: "when you want to play a console game, you place the game in the console, you push power and it works". The only advantage the PC game has right now, is that you can mod your game. Which is only a matter of time since consoles now have hard drives."-is completely wrong. PC's have functionallity beyond the scope of games. Also, no game is more "powerful" than another.