Did anyone smile at the fact that after he walked out of the room, and before he fell face down, he paused, to straighten his tie - that was perfect!
I'm 99.99999% sure that Gus is ... NOT dead. Sorry Scott, not being mean, but I think you're wrong.
You said he had half his head blown off; but he really only had half his face blown off. Although he'd only have one eye and would need his missing jaw reconstructed (yuk!) ... his skull was intact. (Unless shrapnel went through his missing eye cavity and into his brain ... that might leave a mark and quite likely kill him!) But I'm sure he's alive.
The radio news report said "as many as three people may have been killed" ... or "maybe" only two were killed.
Skyler telling Walt she heard Gus was dead (can't recall if she heard it from her brother-in-law or the media) ... could be a case of 'Chinese-whispers', news gets distorted until it's official or confirmed.
Lastly, he's such a great character and it's such a brilliant show - surely they'd not write him out of it. I'll wait on the edge of my seat with the rest of you's!
I just read what "Bobber" said in this thread and I did not know that ... so, maybe he is dead then.
Now I'm really confused:)