Yes, it looks to be an express. It came with a spin, and I also have an F-18 spin I was using on my 5.7. I will probably use them up for now. It has a tang on the front of the mast for the spin, but it seems to me that it may be better to hang it off the top of the mast to a line bale, this is the configuration I had on the 5.7 and it worked great. I got the configuration from this forum.

Reguarding the self tacker, I found a pretty current manual onlune, and will set it up per that manual.
It dosent look like there is any way to controll how far the jib goes out to the lee side of the track. Plus, my track is straight not curved. As close as I can tell, the harder I sheet in, The closer to center the jib will come. Is that the only way to controll this, and is that desireable? or do I need to add more controlls to adjust the angle of the jib further? Also it seems like barber haulers are a must.