Cool beans Rami...
Those Marshall sims are Amplitube's older versions dude, the new Marshall sims they have blow those completely out of the water dude, seriously...
I
think if you buy the basic Amplitube 4 with the new Marshall sims, you get those older sims with it...You might have to check their website to be absolutely sure though...
I got AT4 as a Christmas present in 2015, & I think it's a lot better than AT3, in particular the Marshall amps...You'll also have the ability to change speakers in the cabs too...There are like 3-4 versions of the V30 speaker, Greenback, G12H, etc...To me, the new cabs are a step up from AT3, & again, the new Marshall sims are pretty close dude...
Marshall Major:
JCM800:
Silver Jubilee:
JCM900/DSL:
JMP-1 Pre-amp:
Cab/speaker selection:
There's a Slash & Jimi Hendrix pack too, both of which have Marshall amps/cabs...
And like Shan mentioned, if you wait & catch it on sale, you can probably get it for a decent price...