Another 15 pages of POW vs POS debate, such WOW! 
In the end the truth is bitcoin is consuming 10% of its market cap each year (500 million $) to mantain a decentralized (not so decentralized lately) ledger.
That means if you have 100k $ of wealth in bitcoin you need to pray that the USA government don't change its mind about bitcoin while you work hard to earn at least 10k $ per year if you do not want to lose purchasing power.
Or...
you can just buy all the NXT you can for the current extra cheap price, sit on them and enjoy all the benefits of a natural steady deflation which increases your purchasing power.
In the end the truth is bitcoin is consuming 10% of its market cap each year (500 million $) to mantain a decentralized (not so decentralized lately) ledger.
That means if you have 100k $ of wealth in bitcoin you need to pray that the USA government don't change its mind about bitcoin while you work hard to earn at least 10k $ per year if you do not want to lose purchasing power.
Or...
you can just buy all the NXT you can for the current extra cheap price, sit on them and enjoy all the benefits of a natural steady deflation which increases your purchasing power.