Hi Scott, I create a lot of my music in Sibelius, so I can control how many lines of music I have on the page and the exact position of the staves. My ideal is to have at least 4 lines of lead sheet type music on a page so that when I (half) turn the page the bottom half of the screen is the last 2 lines of one page and the top of the screen is the top 2 lines of the next page. Sometimes, if I have a more complicated accompaniment arrangement that I want to include along with the vocal I can only get 3 lines, but even then I can get the last two lines of the accompaniment on the bottom half.
Also, although there is a slightly uncomfortable delay between footswitch and page turn, one line is usually enough time to find a space to do the job. I use the left foot for the page turn footswitch.
Like you, I was very unsure about the capability of the iPad until I was forced to start working with it when my MusicPad started to behave erratically. I was considering getting a $1000 tablet to work with MR that had the same screen size as MusicPad, but I honestly find the iPad does the job.
One thing I did do was to purchase a gooseneck and an xClip iPad mount from Air Turn. The gooseneck mounts onto a short mic stand and allows you to bring the iPad closer to you. I have a Pa2X and can bring the iPad in to just over the motorized screen and that really makes it easy to see!
Hope this helps.
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Graham, Korg Pa1000, Korg G1 Air, Countryman E6, Roland BA330, 2 x Roland CM-30, , Mackie SRM150