See you are upgrading.And upgrading is part of PC life.But upgrade should be in a wiser manner that would last long.
Heat is the greatest performance killer.Think wisely and choose your cabinet.
And look forward through it in a manner that need not need it to be changed for at least 3 years.
I would suggest CM Centurion 590 it's around 3.8K because with it the possibilities are unlimited.It is as good as HAF that costs around 8K.But remember these cabinets does not have SMPS within them so you have to buy them extra.So,that is an extra headache.
So, if your budget is really tight then go for rather iball cabinets and not zebronics.
Thank you