if os4 is ever released and enough people can afford it and put up with the hardware, amiga inc. may have enough money to finish os5.
or... people, seeing the price of os4 hardware decide to wait for os5 and cheaper hardware so os5 doesnt receive enough funding and is delayed till 2010.
or... people realize that aros is really what we all wanted in the first place and we dont hear from amiga inc for another 5yrs, and then its only 20 questions.
any way it goes i already have my nexgen amiga os