Yes, transition between BG1 and BG2 are seamless with the BGT mod, whereas w/ TuTu you have to manually switch characters and start a new game. Also, BGT has a far greater compatibility spread with other mods, and a greater range of mods made for it. I think it's the superior option, and not just because I helped work on it yrs ago. NTM the name of TuTu always had me envisioning Orcs in pink ballet tights (not the best image).