i only use soft tube anyways, however after my time with 900D, i'm good on 1000D.
The sliding radiator thing is a decent idea, but what concessions were made in terms of space and customization to implement a feature that honestly isn't even that useful.
also, as you said yes, definitely looks like an air trap.
I think I'll stick to my STH10, and eventually the LianLi DK05.
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R.I.P. Zawarudo, may you OC angels' wings in heaven.
If something appears too good to be true, it probably is.