Two places I have trouble at. Any help?

[mattak]

PartyPoker $10 Speed Tournament, Big Blind is t200 (7 handed) Converter on pregopoker.com

UTG (t1405)
UTG+1 (t3034)
MP1 (t1690)
CO (t1988)
Hero (t2180)
SB (t2495)
BB (t7208)

Preflop: Hero is in Button with A[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/diamond.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, <font color="gray">CO folds</font>, <font color="red">Hero raises to t2280 (All-in)</font>,

SNGPT calls this a push (somewhere between 0.4 and 0.8 depending upon hand ranges). I dont like it for a few reasons.

1- The 300 you win if the blinds fold is not game changing for you. There is no effective difference between a 2180 stack and a 2480 stack IMHO.

2- If you are called you are probably dominated. I almost feel better about pushing 78s here than ATo.

3- It lowers my hand range/table image in my opponents eyes if I go into push mode already.

I have been holding off on these marginal pushes for the 200/400 blind round. Is this sound strategy or should I just be hammering away if SNGPT says so??

Next:

PartyPoker $10 Speed Tournament, Big Blind is t100 (10 handed) Converter on pregopoker.com

UTG (t1940)
UTG+1 (t2090)
Hero (t2125)
MP2 (t2380)
MP3 (t2120)
CO+1 (t945)
CO (t3000)
Button (t2070)
SB (t1410)
BB (t1920)

Preflop: Hero is in MP3 with 4[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, <font color="gray"> <font color="red"> Hero ?? </font>

I can see an arguement for open raise, call or fold. In levels 1 and 2 I limp and hunt for a set. Here the blinds are worth stealing so I wonder if I shouldnt open raise, however there arent to many flops that I am going to be happy with OOP. I find that if I limp I get raised by some late position [censored] and have to fold. Am I just chip spewing? Should I be folding this?