A tapered mast is much better than a straight one, either lighter at the same strength, or stronger at the same weight. Tere is a reason racers pay for them through the nose.
Which of the two advantages yours has you can easily guess if it is a raceboat.
What is your problem with the rod rigging? If it is good, leave it alone!
You can carry a replacement wire, no need to carry a replacement ROD.
One wire that's longer than the longest part of your rigging, and as strong as the strongest (i.e. most likely a second forestay) , plus two do-it-yourself end fittings, and you are set.