Thanks alot guys. I think I will go with both, as long as all that turbulance doesn't annoy my turtle.. maybe I should shut one of them off at night so he can sleep peacefully.
Also as you can see on my previous topic post, my aquarium is kinda oddly shaped, and I'm wondering why it's made this way.. maybe it is meant for the lower part to hold one of those hanging filters? Because if I fill it to the top capacity.. I'm convinced my turtle can easily climb out (thus the name bondturtle, he's made some pretty impressive escapes and tried to sneak under the stove.. don't want that happening again)
Also.. how about those styrophoam mountain designs... with waterfalls. basically it looks like real hard rocks and has water coming down from I gues either a hanging filter or simply a build in mechanism.. where could I purchase one of those? is there any specialty stores online for this particular item? I also noticed some "Pond Pumps" which seem to make some kind of fountain.. but I think that would eat up all the space.
Last but not least... I saw pictures of "Housings" made of wood for the turtle to bask in. Like some sort of wooden box built on top of the aquarium. Is it best to offer this sort of housing for the turtle? Or are those docks or ramps sufficient? I wouldn't know how to hang a housing of that sort on a completely glass aquarium.. infact I'm not even sure it's glass, seems like it though. Might be some kind of heavy duty plastic.
Thank all for your info.. hope to get some more

really do appreciate it very much.