Here's a shortie that built his stack up above a half-buyin but continued to play like he had 25bb:

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $1/$2
5 players
Converter

Stack sizes:
UTG: $124.05
CO: $200
Hero: $249.60
SB: $312.45
BB: $201.30

Pre-flop: (5 players) Hero is Button with K A
UTG raises to $4, Hero raises to $12, 2 folds, UTG calls.

Flop: A T 7 ($27, 3 players)
UTG checks, Hero bets $20, UTG raises all-in $112.05, Hero calls.

Turn: 4 ($251.1, 2 players + 1 all-in - Main pot: $251.1)


River: 3 ($251.1, 2 players + 1 all-in - Main pot: $251.1)


Results:
Final pot: $251.1
UTG showed Th 8h