When is it worth it to call Preflop with a PP

[randyxx]

Example 1: Here the Villian has only $156 and there are no callers between us.

$200 NL party poker (10 players)
Preflop: Hero is CO with 7/images/graemlins/heart.gif, 7/images/graemlins/diamond.gif.

UTG - folds
UTG+1($156) - raises to 10
UTG+2 - folds
UTG+3 - folds
UTG+4 - folds
UTG+5 - folds
HERO(CO)($200) - calls 10
BUTTON($70) - folds
SB($200) - calls 10
BB($110) - folds

Example 2: Here Villian only has $139 and I dont have position.

$200 NL party poker (8 players)
Preflop: Hero is UTG with 9/images/graemlins/heart.gif, 9/images/graemlins/club.gif.

HERO (UTG)($200) - calls 2
UTG+1($61) - calls 2
UTG+2 - folds
UTG+3($139) - raises to 12
CO - folds
BUTTON - folds
SB - folds
BB - folds
HERO (UTG) - calls 10
UTG+1($61) - folds


Was it worth calling the 10 dollars in these hands?
Should I consider the possible callers behind me as a good thing or a bad thing? They could make the pot multiway, or they could reraise and force me to fold preflop.
If the villian had full $200 stacks, would these have been good calls?

When is it worth it to call with a PP?

[theben]

hand 1 yes, hand 2 based on set drawing odds its too borderline. so player specifics should learn you toward calling or folding

[ajmargarine]

Hand #1 - yes, position really helps there, plus his stack is big enough IMO. If you were UTG+2 or +3 or +4, I might fold depending on the table. CO is a good spot for your pp.

Hand #2 - marginal, borderline. I like to call here, but that may be a leak, not sure. His stack seems OK? OOP sux though.

PS. What are people looking for in villian stack sizes here? If a guy has $32 these are easy folds. I usually look for a 10:1 ratio of stack size to bet?!? I know there's some rules and guidelines for these situations, and I admit, I am not for-sure for-sure what they are. Could someone educate me.