To save your custom rotation, once you get it to what you want, click on the save button, then click "create". Then, to load the rotation, click on "load", choose "saved rotation", select the rotation you wish to load, and click the load button.
It sounds like you have an old version of the simulator cached in your browser. If you need to know how to clear your cache, read this post: How to Clear your Browser Cache
When comparing items, does it take into account the fact that your already hit/exp capped?
If I am exp capped, and an item has a lot of exp, will it disregard it or still show as a DPS increase?
Simular question for the hit cap, if Im above the special ability hit cap does it lower the stat weight for it accordingly?