Awesome Korean songs?
 

off the top of my head, i can only think of..

So Hot - Wonder Girls
Nobody - Wonder Girls
MIROTIC - DBSK

Tell Me - Wonder Girls
Number 1 - Big Bang
U-Go Girl - Hyori Lee
Unusual - Hyori Lee
Get Ya - Hyori Lee

TVXQ
Wrong Number
Get Me Some
Phantom
DRIVE (if it were summer that is...)
Love in the Ice (tearjerker...)

BoA
Girls on Top
MOTO (be careful, this song always makes me speed...)

iM
Be my 1004

BIG BANG
Sunset Glow
Lies

SE7EN
I Know
Passion
Again
Lalala
Girlfriend

Rain]
I'm Coming
Rainism
It's Raining

...that's funny, these are the only K-pop songs I can think of ATM

Brown Eyed Girls - My Style
DBSK - Mirotic
DBSK - CRAZY LOVE
ALOT of Lee Hyori's songs XD
Moon Ji Eun - Mola Mola
Moon Ji Eun - Crazy
Moon Ji Eun - I DO
SE7EN - Girl Friend
Seo In Young - Elly is Cendrella Single
SHINee - the SHINEE world
Bae Seul Ki - Seul Ki Say
Bae Seul Ki - Ride With Me
Rain - Rainism
Lim Jeong-hee - 이런 사랑 저런 사랑 (Feat.J.Y.PARK "THE ASIAN SOUL")
Big Bang - CRAZY DOG ( this is a reallly upbeat song which i LOVEEEEE)
Banana Girl - KISS KISS
CSJH the Grace - one more time OK?

there is aloooooooot more XDDD

if you want me to upload some of these songs just let me know :D

OMG, I remember listening to Yu Chae Young before, Emotion is one of the catchiest songs ever!

I recommend:
Jewelry - One More Time
Ivy - Sonata of Temptation
Chae Yeon - My Love

Big Bang - Last Farewell
Son Dam Bi - Crazy
DBSK - Wrong Number
DBSK - Mirotic
Epik High - Fan (?)
Jewelry - One More Time
Lee Hyori - 10 Minites
Lee Hyori - U-Go-Girl
Lee Hyori - Unusual
Lee Hyori - Hey Mr. Big
PDIS ft. May Doni - Attraction
Seo In Young - I Want You
SHINee - Replay
SS501 - Deja Vu
SS501 - U R MAN
Taeyang ft. Teddy - Prayer
Taeyang - Only Look at Me
Wonder Girls - So Hot
Wonder Girls - Nobody

Loveholic - Sad Story
Epik High - One
Lee Hyolee (Hyori) - Remember Me
Wonder Girls - So Hot
DBSK - Mirotic
DBSK - Purple Line
BoA - Spark
BoA - Waiting
Lena Park - Fall In Love
Lena Park - Plastic Flower
Lena Park - 순간

CSJH The Grace - One More Time, OK?
Amigo, The SHINee World - SHINee
How, My Style - Brown Eyed Girls
Love & War - Davichi
UR Man - SS501
Bad Boy, this song, makes you feel so just, great, esp. when driving at night! Highly recommend this song!, and Crazy (Michyeoseo) - Son Dam Bi
Tell It To My Heart - YMGA
Namjareul Midjima (Don't Trust Men)- M (Minwoo)
Are You A Good Girl? - DBSK
Pump Pump - U-Kiss

Minwoo's Hot! (feat Son Dam Bi) is breathtaking, totally recommend it.

u;nee - Call Call Call
Lee Jung Hyun - Michu
Lee Jung Hyun - Wa
Lee Jung Hyun - Bakkwo
Lee Jung Hyun - Ban
Lee Jung Hyun - Nuh
Lee Jung Hyun - ANYTHING BY LEE JUNG HYUN!!! HAHA

lee hyori - u-go-girl
lee hyori - hey mr. big
lee hyori - don`t cry
u;nee - go
u;nee - call call call
uhm jung hwa - d.i.s.c.o

Wonder Girls - So Hot; Irony; Nobody
Son Dam Bi - CRY EYE; Bad Boy; Michyosseo
Bi (Rain) - Rainism
TVXQ - MIROTIC; Hey! (Don't Bring Me Down); Purple Line
Lee Hyori - U-Go-Girl (?)
U;Nee - Call Call Call
SHINee - SHINee World
Super Junior - Don't Don, A man in love (remix ver.)
BIG BANG - Sunset Glow; Oh, Ah, Oh

^ oh that's a really good song...
some of Shinhwa's songs are good too..which the titles escapes me..

Adios by Eun Ji Won
Fan by Epik High
Circus by MC Mong
Fill This Night by Clazziquai