Which trip-hop albums do you think are really PERFECT?

OK, we all seem to agree that trip-hop is the best music genre ever, giving us a lot of great albums. But, and please be very strict now, which do you think are flawless and perfect in every aspect?
Of all TH albums I've ever heard here are the 5 perfect ones (IMO):
Massive Attack: Mezzanine
Portishead: Dummy
Portishead: Portishead
Puracane: Things You Should Leave Alone
Sneaker Pimps: Splinter