HOTD- so how small is the edge?

Full Tilt Poker Game #4616715601: Table Renaissance - $0.05/$0.10 - No Limit Hold'em - 1:10:10 ET - 2007/12/25
Seat 1: nikdbrik ($2)
Seat 2: Tiger897 ($6.50)
Seat 3: ktmoney58 ($3.50)
Seat 4: metalmakerkgb ($10.45)
Seat 5: LO1988 ($3.90)
Seat 6: kurokitty ($12.10)
Seat 7: Kumarxhi ($7.70)
Seat 8: mxrider007 ($3.30)
Seat 9: BadBeatzRfun ($7.60)
BadBeatzRfun posts the small blind of $0.05
nikdbrik has 5 seconds left to act
nikdbrik posts the big blind of $0.10
The button is in seat #8
*** HOLE CARDS ***
Dealt to kurokitty [Ad 7d]
Tiger897 folds
ktmoney58 calls $0.10
metalmakerkgb calls $0.10
metalmakerkgb: that stopped him lol
LO1988 has 15 seconds left to act
LO1988 folds
kurokitty calls $0.10
Kumarxhi calls $0.10
mxrider007 calls $0.10
BadBeatzRfun: lol
BadBeatzRfun calls $0.05
nikdbrik checks
*** FLOP *** [2d Ac Kc]
BadBeatzRfun checks
nikdbrik checks
ktmoney58 checks
metalmakerkgb checks
kurokitty bets $0.30
Kumarxhi calls $0.30
mxrider007 calls $0.30
BadBeatzRfun folds
nikdbrik folds
ktmoney58 folds
metalmakerkgb folds
*** TURN *** [2d Ac Kc] [3d]
kurokitty bets $0.50
Kumarxhi calls $0.50
mxrider007 calls $0.50
*** RIVER *** [2d Ac Kc 3d] [Jh]
kurokitty has 15 seconds left to act
kurokitty bets $0.75
Kumarxhi calls $0.75
mxrider007 calls $0.75
*** SHOW DOWN ***
kurokitty shows [Ad 7d] a pair of Aces
Kumarxhi mucks
mxrider007 mucks
kurokitty wins the pot ($4.85) with a pair of Aces
*** SUMMARY ***
Total pot $5.35 | Rake $0.50
Board: [2d Ac Kc 3d Jh]
Seat 1: nikdbrik (big blind) folded on the Flop
Seat 2: Tiger897 didn't bet (folded)
Seat 3: ktmoney58 folded on the Flop
Seat 4: metalmakerkgb folded on the Flop
Seat 5: LO1988 didn't bet (folded)
Seat 6: kurokitty showed [Ad 7d] and won ($4.85) with a pair of Aces
Seat 7: Kumarxhi mucked [As 6c] - a pair of Aces
Seat 8: mxrider007 (button) mucked [Ah 6s] - a pair of Aces
Seat 9: BadBeatzRfun (small blind) folded on the Flop