If is your template runnin on ps 1.6.1.23, then it will on tb too, i tried few from lower vs and they were running too, with small detial to fix. Well it s about speed and stability, and ofc modules are compatible. In 1.7 - is about € and also full of bugs. Just googli it, u still might want use 1.7 i was just showing some diff. possibilities, thats all. Oh and support is great 
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If is your template runnin on ps 1.6.1.23, then it will on tb too, i tired few from lower vs and they were running too, with small detial to fix. Well it s about speed and stability, and ofc modules are compatible. In 1.7 - is about € and also full of bugs. Just googli it, u still might want use 1.7 i was just showing some diff. possibilities, thats all. Oh and support is great