I think SEIV will continue its life for quite some time after SEV comes out. I also think SEV will grow into the same thing that SEIV is to us all.
I know I will continue to play PBW with SEIV until I get the hang of SEV's mechanics and so forth and learn some stratagy for it.
I can't wait to see if it will be possible to have games like RTH1 and RTH2 on PBW with SEV.

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Ragnarok -
Hevordian Story Thread
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I think...therefore I am confused.
They were armed. With guns, said Omari.
Canadians. With guns. And a warship. What is this world coming to?
The dreaded derelict dwelling two ton devil bunny!
Every ship can be a minesweeper... Once