so NXT is more secure

NXT to the Moon

Well, maybe it will...but we'll have to wait a long time.
That's actually better than a quick bubble. There's enough time to poke around with the nuts-and-bolts and see how it works.
Standalone POS coins have many advantages over NXT - plus they far less resemble a bullshit hyip pyramid scheme (which after the initial POS influence on other developers NXT had - that is all it deserves ever be)