Party Poker No-Limit Hold'em, $ BB (6 max, 5 handed) FTR converter on zerodivide.cx

Button ($926)
SB ($934.70)
BB ($1704.02)
UTG ($1039.50)
Hero ($637)

Preflop: Hero is MP .
SB posts a blind of $5.
1 fold, Hero raises to $30, Button calls $30, 2 folds.

Flop: ($75) 4, 8, T (2 players)
Hero bets $45, Button calls $45.

Turn: ($165) 8 (2 players)
Hero checks, Button bets $48, Hero raises to $150, Button calls $102.

River: ($465) 4 (2 players)
Hero bets $412 (All-In), Button calls $412.

Final Pot: $1289

Results in white below:
Hero has 9h As (two pair, eights and fours).
Button has 7h 7s (two pair, eights and sevens).
Outcome: Button wins $1289.

My read of his hand was dead on... My read of his calling standards I guess was off a bit.