$149 upgrade from x3 studio to x3 producer 1 week only, is this true?
 
You see, the price shown here is different:
 
SONAR X3 Producer Download:Site PriceUpgrade from SONAR X2 Producer$149.00Upgrade from any SONAR Producer$199.00Upgrade from any SONAR Studio$299.00Upgrade from any other SONAR$399.00Upgrade for any registered customer$449.00
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Here is another version:

SONAR X3 Producer - Upgrade from SONAR X3 Studio (Download)

SKU 10-CXSP3.00-2DE

List Price$299.00Your Price$149.00You Save$150.00Quantity

   

The support team is not answering my post and email enquires in time, slow in business response?!

Looks like voice phone call is the way to go ! Ok a sip of beer and post to avoid short time in 2 posts.

Your in the wrong forum for anything to do with the X series. 
 
I got the same E mail but  $150 is something I do not have right now.  
But worth mentioning is that If I did follow through, It would mean I paid $250 for X3 Producer. Not bad I say. 
Sonar X1LE free with Roland A 49
Sonar X3 Studio $99 upgrade from LE
Sonar Producer $150 upgrade from Studio. 
 
I don't really think I need any of the extra stuff that comes with Producer, But the temptation is then I'm set for upgrade to X4 Producer which just might have goodies I'm willing to pay extra for.