On the issue of truenamer mechanics, these are some house rules we have adopted:
EM DC: 10 + CR/HD + 5*utterance lvl
map / item DC: 20 + 5*utterance lvl
Law of Resistance: 1 + utterance lvl
know personal truename: +10 competence bonus to truespeak
add bonus feat (skill focus truespeak) at 1st...