TPTK and big overpairs play about the same at micros. Here's an NL25 example. I thought a long time about the river call. I had no reads on villain, and I hate making this call "blind." But I just didn't believe I was beat 75% of the time against an unknown.

$0.1/$0.25 No Limit Holdem
5 players
Converted at weaktight.com

Stacks:
Hero ($29.65)
CO ($10.00)
BTN ($56.01)
SB ($23.45)
BB ($17.55)
[CO posted $0.25]

Pre-flop: ($0.6, 5 players) Hero is UTG
Hero raises to $1, 3 folds, BB calls $0.75

Flop: ($2.6, 2 players)
BB checks, Hero bets $1.5, BB calls $1.5

Turn: ($5.6, 2 players)
BB bets $3, Hero calls $3

River: ($11.6, 2 players)
BB bets $5, Hero calls $5

Final Pot: $21.35
BB shows:
Hero shows:

Hero wins $20.3 ( won $9.8 )
BB lost -$10.50