Should I fold my KK pre-flop....???
 

2 examples from my last set of why the answer in "no" 99.99% of the time.

NL Texas Hold'em $200 Buy-in + $15 Entry Fee Blinds(10/15) - Sunday, January 15, 20:42:25 EDT 2006
Table Table 68868 (Real Money)
Seat 4 is the button
Total number of players : 10
Seat 1: Mezzetin ( $960 )
Seat 2: sexyangel32 ( $930 )
Seat 3: Hero ( $900 )
Seat 4: dinger6174 ( $930 )
Seat 5: lawdog0329 ( $1855 )
Seat 6: skipper329 ( $1000 )
Seat 7: LiTo4201 ( $435 )
Seat 8: bad_egg ( $1000 )
Seat 9: hitmon ( $1000 )
Seat 10: jim2718 ( $990 )
Trny:19240829 Level:1
Blinds(10/15)
** Dealing down cards **
Dealt to Hero [* *]
LiTo4201 calls [15].
bad_egg folds.
hitmon calls [15].
jim2718 folds.
Mezzetin calls [15].
sexyangel32 folds.
Hero raises [100].
dinger6174 raises [185].
lawdog0329 folds.
skipper329 folds.
LiTo4201 folds.
hitmon folds.
Mezzetin folds.
Hero is all-In [800]
dinger6174 calls [715].
** Dealing Flop ** [ 7s, Jh, 4h ]
** Dealing Turn ** [ Qd ]
** Dealing River ** [ As ]
dinger6174 shows [ 6c, 6d ] a pair of sixes.

Hand #2 a couple of minutes later at a different table....

NL Texas Hold'em $200 Buy-in + $15 Entry Fee Level:1 Blinds(10/15) - Sunday, January 15, 20:41:20 EDT 2006
Table Table 69557 (Real Money)
Seat 10 is the button
Total number of players : 9
Seat 10: ComeOnPhish ( $990 )
Seat 8: Hero ( $1000 )
Seat 6: LordRahl27 ( $985 )
Seat 2: MeLuckyDucky ( $985 )
Seat 7: Ping724 ( $2015 )
Seat 3: KISFMG ( $1000 )
Seat 4: pvopvo ( $1000 )
Seat 9: JAFO12 ( $1025 )
Seat 5: Indian03 ( $1000 )
Blinds(10/15)
** Dealing down cards **
Dealt to Hero [* *]

pvopvo raises [125].
Indian03 raises [235].
LordRahl27 folds.
Ping724 folds.
Hero is all-In [1000]
JAFO12 folds.
ComeOnPhish folds.
MeLuckyDucky folds.
KISFMG folds.
pvopvo folds.
Indian03 is all-In [765]
** Dealing Flop ** [ 7s, Jc, 2s ]
** Dealing Turn ** [ 7h ]
** Dealing River ** [ Qs ]
Indian03 shows [ 3s, 3h ] two pairs, sevens and threes...