MMultiAnalyzer or SPAN Plus?

I'm torn...
 
I was considering upgrading to SPAN Plus, so that I could analyse separate tracks at the same time, but it looks like MMultiAnalyzer does a better job and it looks easier setting up for that too.
 
But is there something I am missing?
 
cheers
 
andy

Thanks Larry,
 
I'm thinking that the former may do much more than the latter, looking at their video. I suppose the question is, would I use all that stuff...
 
cheers
 
andy

Both are good, but head-to-head there is no contest: MMultiAnalyzer wins easily. 
 

bitflipper
Both are good, but head-to-head there is no contest: MMultiAnalyzer wins easily. 
 

Facts and figures plz.

SPAN Plus offers a correlation meter (which Melda does not) but melda offers a sonogram view and more importantly Collisions view, which in theory should help you find potential mix problems. Also cool is the "Deharmonize" mode, which allows you to get rid of harmonics and focus on the fundamental frequencies of your sources. 
 
It looks like SPAN plus limits you to viewing only 4 spectrums at once (source plus 3 inputs) where it seems MMultiAnalayzer lets you easily see all available analyzers and select how many, or how few, you want to see - there seems to be no limit.
 
 
if you need metering, span.
 

Good summation by batsbrew. For me, the two most-crucial MMultiAnalyzer features are normalization and the loudness histogram. SPAN+ has the more pleasant UI, especially if you're already a longtime SPAN user. But the lack of normalization makes it more difficult to compare two spectral signatures, when you don't really care about absolute levels.

batsbrew
Also cool is the "Deharmonize" mode, which allows you to get rid of harmonics and focus on the fundamental frequencies of your sources. 
 

 
 
Thanks bats! I didn't know that about MMA. I'll have to check it out.