Even, when I'm far ahead ... and they keep calling with 10 5 off, and they beat my QQ !!!

Only one of many examples: PokerStars Game #56834854593: Tournament #347990935, Freeroll Hold'em No Limit - Level XI (400/800) - 2011/01/30 20:54:19 CET [2011/01/30 14:54:19 ET]
Table '347990935 10' 9-max Seat #7 is the button
Seat 1: *pooh*570 (3190 in chips) 
Seat 2: CrownOTR (3450 in chips) 
Seat 3: eldina20 (12985 in chips) is sitting out
Seat 4: Kunavanga (10525 in chips) is sitting out
Seat 5: Bobita_1 (9080 in chips) 
Seat 6: DoomedXXX (6366 in chips) 
Seat 7: ICU2222 (6886 in chips) 
Seat 8: billybhoy29 (3600 in chips) 
Seat 9: Borntoplay1 (7136 in chips) 
*pooh*570: posts the ante 75
CrownOTR: posts the ante 75
eldina20: posts the ante 75
Kunavanga: posts the ante 75
Bobita_1: posts the ante 75
DoomedXXX: posts the ante 75
ICU2222: posts the ante 75
billybhoy29: posts the ante 75
Borntoplay1: posts the ante 75
billybhoy29: posts small blind 400
Borntoplay1: posts big blind 800
*** HOLE CARDS ***
Dealt to DoomedXXX [Qc Qs]
*pooh*570: folds 
CrownOTR: folds 
eldina20: folds 
Kunavanga: folds 
Bobita_1: folds 
DoomedXXX: raises 1600 to 2400
ICU2222 has timed out
ICU2222: folds 
ICU2222 is sitting out
ICU2222 has returned
billybhoy29 has timed out
billybhoy29: folds 
billybhoy29 is sitting out
Borntoplay1: raises 1600 to 4000
DoomedXXX: raises 2291 to 6291 and is all-in
Borntoplay1: calls 2291
*** FLOP *** [4h Qh 6d]
*** TURN *** [4h Qh 6d] [9c]
*** RIVER *** [4h Qh 6d 9c] [5s]
*** SHOW DOWN ***
Borntoplay1: shows [3s 2h] (a straight, Deuce to Six)
DoomedXXX: shows [Qc Qs] (three of a kind, Queens)
Borntoplay1 collected 13657 from pot
DoomedXXX finished the tournament in 275th place
*** SUMMARY ***
Total pot 13657 | Rake 0 
Board [4h Qh 6d 9c 5s]
Seat 1: *pooh*570 folded before Flop (didn't bet)
Seat 2: CrownOTR folded before Flop (didn't bet)
Seat 3: eldina20 folded before Flop (didn't bet)
Seat 4: Kunavanga folded before Flop (didn't bet)
Seat 5: Bobita_1 folded before Flop (didn't bet)
Seat 6: DoomedXXX showed [Qc Qs] and lost with three of a kind, Queens
Seat 7: ICU2222 (button) folded before Flop (didn't bet)
Seat 8: billybhoy29 (small blind) folded before Flop
Seat 9: Borntoplay1 (big blind) showed [3s 2h] and won (13657) with a straight, Deuce to Six

He reraised my Qs with 23 and won !!!
Disgusting ...