I teach Spanish...I love introducing students to regular present-tense verb conjugation. (Was that too specific?)

new tech sites and motivation strategies in the classroom

oops! I didn't see *teachers*. Then my answer would be websites that my fellow Spanish teachers can use like Quia.

how and why to use PBwiki

Great answers!

anything that makes them excited to share with their students

LoTi, Discovery tools, Intel....basically anything that engages the students and can be used to challenge their ability to problem solve