2k First Hand of the Game

Here's my first hand in the 2k guarantee Sunday night.

Seat 1: yank333 (1,500)
Seat 2: baronblod (1,500)
Seat 3: specialfrank (1,500)
Seat 4: JH_USMC_E3 (1,500)
Seat 5: jackninesuited (1,500)
Seat 6: ThirteenClubs (1,500)
Seat 7: jordi-blair (1,500)
Seat 8: surflexus (1,500)
yank333 antes 5
baronblod antes 5
specialfrank antes 5
JH_USMC_E3 antes 5
jackninesuited antes 5
ThirteenClubs antes 5
jordi-blair antes 5
surflexus antes 5
*** 3RD STREET ***
Dealt to yank333 [8s]
Dealt to baronblod [As]
Dealt to specialfrank [7c]
Dealt to JH_USMC_E3 [Qh]
Dealt to jackninesuited [Th]
Dealt to ThirteenClubs [Js]
Dealt to jordi-blair [4d]
Dealt to surflexus [Ad 5c] [4s]
JH_USMC_E3 is high with [Qh]
JH_USMC_E3 brings in for 10
jordi-blair is feeling happy
jackninesuited folds
ThirteenClubs folds
jordi-blair calls 10
surflexus completes it to 30
yank333 folds
baronblod folds
specialfrank folds
JH_USMC_E3 calls 20
jordi-blair calls 20

I like the loose call here by JH with the Queen showing.
*** 4TH STREET ***
Dealt to JH_USMC_E3 [Qh] [9s]
Dealt to jordi-blair [4d] [Ks]
Dealt to surflexus [Ad 5c 4s] [9c]
surflexus bets 30
JH_USMC_E3 calls 30
jordi-blair calls 30
I'm completely ahead and I bet out again.
*** 5TH STREET ***
Dealt to JH_USMC_E3 [Qh 9s] [6c]
Dealt to jordi-blair [4d Ks] [Kh]
Dealt to surflexus [Ad 5c 4s 9c] [7h]
surflexus bets 60
JH_USMC_E3 calls 60
jordi-blair folds
I'm still ahead and jordi's hand is going south fast, he folds.
JH however decides to keep chasing.
*** 6TH STREET ***
Dealt to JH_USMC_E3 [Qh 9s 6c] [7s]
Dealt to surflexus [Ad 5c 4s 9c 7h] [5h]
surflexus bets 60
JH_USMC_E3 calls 60
I'm still ahead but he's not going away.
*** 7TH STREET ***
Dealt to surflexus [Ad 5c 4s 9c 7h 5h] [5s]
surflexus bets 60
JH_USMC_E3 calls 60
*** SHOW DOWN ***
surflexus shows [5s 5c 4s 9c 7h 5h Ad] 9,7,5,4,A
JH_USMC_E3 shows [4h 3h Qh 9s 6c 7s 2s] 7,6,4,3,2
JH_USMC_E3 wins the pot (580) with 7,6,4,3,2
He caught the 2,3, or 4 on the river to beat me.
My question is this. This early in the game should I have been more conservative?