My '67 K-Mag is 46#@28". I draw around 27", and cut my arrows to 28". I have been using 2013s with 125 grain heads, and they fly well. I think I could go to the more readily available 2016s if I use a heavier head. 1916s also fly well, and wooden shafts in the 40-45# range for ash, a tad stiffer for cedar and tapered ash.
Woodies are great to shoot, fun to make, and carry some good weight. Aluminums are easy to get and make into arrows, and if you lose one you can get another just like it. They are a great way to test what spine your bow will shoot, and a confidence builder when learning (or practicing) how to shoot. If you haven't pretzeled it, haven't lost the field point, broken the nock, and it is of an appropriate spine, the wild flight that just occurred was all you, my friend!
Killdeer