You can make an Iaijutsu focused character without Iaijutsu Master, which would free up those feats.
Else if you want to stay with the PrC you may be able to custom craft items with the prereq/Font of Inspiration feats on them.
And how a Iaijutsu character would go w/o Iaijutsu Master?
Check out which is the Playground's favorite Dragon!
Originally Posted by Ursus the Grim
"Narass, what's the scouter say about their power level?"