It is a fundamentally very good saw and you got it for a good price. I have one I bought new about thirty five years ago and it works just fine, always has.
I have the Unifence and I cut the end off (even shorter than your) since I only use the saw for rabbets, dadoes, finger joints, and the rare rip. But I wish I had the Beisemeyer (more useful even for the limited fence work I do) so I would not get rid of that. So as someone else mentioned ... it all depends on your expected usage. The key from my perspective is having a stable saw with good mobility and the best dust collection you can get. If I had your package I would dump the Excalibur overarm thingy because for how I use that tool, it would just get in my way. Congratulations!
"the mechanic that would perfect his work must first sharpen his tools.” Confucius