I said I was going to look into the mind blast question but thankfully A Darkened Soul has already done it.
This is the question of whether you should drop mind blast from your rotation with the 4-piece tier 10 bonus (that reduces the channel time of mind flay).
It's a nice roundup of the issues (as I understand them). No surprises for guessing that it's more complicated than it sounds, but Chuckenorris does a great job of explaining the basics.
He also includes some great advice on analysing and maximising your spellcasting which is well worth a read, with or without T10.
Bitten off more than I can chew
1 day ago