Oh god....

Yes, you may need to spend more on the filament. Also, I am curious about that 99.9% positive feedback, is it the review of the seller or actually the filament. I never deal with ebay or online stuff which is why I ask.

That being said, yes, spent more on reliable filament and colour can change dramatically the print. I tried the following filaments from Affinia, ColorFabb and Reprapper, they all work fine. I do have trouble printing clear ABS from 3dSupply world (cheap material) and it was quite a pain to print.