vArranger Forums

Also need to know how well I would fare with vArranger if I don't have that SD thing I keep reading about. Is that a keyboard?
Once again, sorry for being clueless. NEED INFO somewhere on a website...Desperately 

I was just looking into buying vArranger, so I was browsing the forum to see what features it has [I can't find any information about specific features of vArranger]. But I mostly only want it to create my own custom styles. Does this mean that vArranger is not set up to create original styles, or styles from scratch? And you must use other software to create, then import them?

Also I want to know how many patterns, or "chord variations" [as they are called in the Korg microArranger] I can have for a single style in vArranger. Or how many variations of the style can be stored for calling up while playing the style?

In the Korg microArranger, I can play chords on the keyboard while a style is playing, and the chords are translated into the harmony of the style. Is this how vArranger works? Sorry for the dumb questions, but this is all I'm left with due to no information on the website about vArranger.

And is there somewhere I can look to find out more of what vArranger does, or doesn't do?

Thanks for any help.