Sit with max when 200 BB is allowed ?

[spliff]

Hi,

I understand that you should allways sit sown with max.

I.e. 100 NL, sit down with 100 $.

But at Apsolute Poker, at 0.50/1.0, you can sit down with 200, instead of normally 100.

Should you sit down with 200 here allways ?

Or does it matter what the others sit with ?