I've only ever used the cheap stuff, so no idea whether the unfiltered would be better. I'd be interested to know if someone's used both and compared results though.
CG since 11/2011
2c /3a F /Mii, low porosity

Winter Products /Routine:
Clarifying: Herbal Essences Tealightfully Clean
Low Poo: Renpure Luxurious Argan Oil
Co-washes: Suave Naturals Tropical Coconut or Daily Clarifying
RO:
Tresemme Expert Selection Perfectly (un)Done, Cure Care, Suave Tropical Coconut or Daily Clarifying
LI (if needed):
Tresemme Perfectly (un)Done, Renpure Brazilian Keratin Straightening (old formula), Cure Care
Stylers: HETT, AIF
PT: IAGirl's as needed