Beyonce's Deja Vu remixed by Freemasons is amazing. It sounds a billion times better than the original, plus mine has no Jay-Z in it. :luv2 7 minutes of perfection.

M - Above & Beyond remix !!!

Ayumi Hamasaki - Trauma -YUKIHIRO FUKUTOMI REMIX-
Ayumi Hamasaki - Two of us "touch of mahogany mix"
Ayumi Hamasaki - Boys & Girls "Dub's Club Remix"
Ayumi Hamasaki - kanariya "Jonathan Peters' Vocal Club Mix" (PV Mix)
Ayumi Hamasaki - Ladies Night ~another night~
Ayumi Hamasaki - I am... "night clubbers mix"
Ayumi Hamasaki - no more words "turn up the break mix"
Ayumi Hamasaki - I am... "Ram's Special 11Days Mix"

mink - Omajinai "YUKIHIRO FUKUTOMI REMIX"

Koda Kumi - flower "acoustic version"
Koda Kumi - you "acoustic mix"
Koda Kumi - Yume no Uta "Quartet Version"
Koda Kumi - Futari de... "WHOOSH MIX"
Koda Kumi - Koi no Tsubomi (A Cup Of Milk Tea Bossa Nova Version)
Koda Kumi - Birthday Eve "A Cup Of Cappucino Bossanova Remix"
Koda Kumi - Hot Stuff～確変無想転生remix feat. UZI & KM-MARKIT～

Yeah.. That's one of the best remixes.

Other really good Ayu remixes:
- HANABI (Lange remix)
- Naturally (Wippenberg remix)
- Depend on you (Svenson & Gielen remix) (even better than the original, IMO :D)
- UNITE! (Airwave remix)
- Appears (Armin van Buuren remix)
- SURREAL (Marc et Claude remix)
- Fly high (VooDoo & Serano remix)

Omg.. they're all in the Cyber Trance. :D

From other artists:
- Lost Tribe - Gamesmaster (Michael Woods remix) (Michael Woods' Solex (close to the edge is really good song :) btw)
- Ian Van Dahl - Castles In The Sky (Wippenberg Mix)
- Fragma - Everytime You Need Me (Above & Beyond Remix)

There're more of course and it's hard to say, though, what's the very best remix of all time.

AMEN!

Right now I'm really digging these mixes:

Goldfrapp - Ooh La La (When Andy Bell Met Manhattan Clique Remix)
Bette Midler - Fever (L.E.X. Bette's On Fire Club Mix)
Madonna - Hung Up (L.E.X. Massive Club Mix)
Madonna - American Life (Felix Da Housecat Radio Edit)
Britney Spears - Stronger (Mac Quayle Mixshow Edit)
Pink - Just Like A Pill (Al B. Rich Radio Edit)
Pink - Feel Good Time (D'bops Full Throttle Mix)
Christina Aguilera - Hurt (Chris Cox Radio Edit)

Tiësto - He's a Pirate (Tiësto Remix)

DJ Atmospherik - Straight Flush (4 Strings Remix)

Marco V - Godd (Tyranoid vs Michael Strongstream Remix)

Ferry Corsten & Ramin Djawadi - Prison Break Theme (Ferry Corsten Breakout Mix) [Extended Version]

P!nk feat Redman - Get The Party Started Sweet Dreams Remix

all Ayu's remix+trance+eurobeat is the best :)

Kylie Minogue - Can't get Blue Monday out of my head (Mix of Blue Monday and Can't Get You Out of My Head)

ooooh im gonna try get hold of that :D