Depends where you buy it from.
Oh ok, well that's why I am interested in a loan, I get paid Monday.. But I guess that could mean I am looking for a week long loan, with higher interest rates or whatever a week loans interest rate would be
Ah, so you probably weren't planning on repaying "2 days later" then, if you haven't even put money into MtGox.
If loaned received 4/26 will repay 4/28
if received 4/27 repay 4/29
Monday is 4/29. So you would not have been able to repay on 4/28 if you don't even get money until Monday.