While PS3 will probably do better in 2009 than 2008, the idea that Wii has peaked is an assumption, as 2010 for Wii could be stronger than 2009 and 2008, in which case it wouldn't have peaked, so yes you are assuming.
Your analogy doesn't work, a dividend is a payment paid out to shareholders, out of a portion of profits, you retain the share, but also receive the payment, this is the benefit of profit, the only concern fo Nintendo, albeit a small one is that investors could get upset with the falling stock price, if it became an issue, Nintendo could always issue a dividend payment to its shareholders. However considering Nintendo's position relative to its competitors this is not really a concern. A bond is a different financial tool, a bond is an issuance of debt, not really a concern for Nintendo considering their large cash reserves.
Predictions:Sales of Wii Fit will surpass the combined sales of the Grand Theft Auto franchiseLifetime sales of Wii will surpass the combined sales of the entire Playstation family of consoles by 12/31/2015 Wii hardware sales will surpass the total hardware sales of the PS2 by 12/31/2010 Wii will have 50% marketshare or more by the end of 2008 (I was wrong!! It was a little over 48% only)Wii will surpass 45 Million in lifetime sales by the end of 2008 (I was wrong!! Nintendo Financials showed it fell slightly short of 45 million shipped by end of 2008)Wii will surpass 80 Million in lifetime sales by the end of 2009 (I was wrong!! Wii didn't even get to 70 Million)









