Here's something I stumbled upon randomly tonight while reading the PHB...
A not-so-little-known rule about touch spells is that you can hold the charge indefinitely, and if you touch anyone even unintentionally while holding the charge, the spell discharges. You lose the held charge if you cast another spell...
But that does not preclude using, simultaneously, touch attacks that are supernatural abilities, right? I bet most everyone knows about delivering touch attacks via an unarmed strike, but what about this usage?
For example, a cleric with the Death domain could hold a charge of Inflict Critical Wounds, and then use his or her supernatural 1/day death touch on someone, simultaneously dealing 4d8+lvl dmg and delivering the death touch effect, right?
What if you had an (Sp) touch attack? Could you hold the charge, attack with your spell-like touch attack, and do both effects?