Thank you all for the input and advice.

I currently use no software, I am trying to narrow down the one that will get me what I am looking for.

I like the ability in BIAB to specify chord progressions then hit play. I think what I am looking for is a tool to augment my practicing and was hoping BIAB was the tool. I do know how to play guitar, albeit not as well as I would like at the moment which was the intention, though the lessons help.

So to summarize, BIAB will allow me to specify the chord progression of my choice.
If I am using midi I have all sorts of control on the strumming patterns etc. If I use real tracks I have no control.

I have learned that midi does sound great, (thanks Mac), given the right toolset and I agree that I do not want to spend a-lot of time initially making MIDI files.

Where I am hung up on is if I choose to purchase BIAB do I need to make MIDI files to specify the strumming patterns in a bar or can I do something in the user interface, right click on the bar for example, and specify a pattern?

Thanks Again.

Sean