Nope.
First you wait for the first statement on each of them. Add four weeks to that date --that's when AmEx will report. Then the usual 1-10 days for the CRA's to update.
And they don't necessarily generate a statement that first month, balance or no balance.
Have you called CS to find out when your statement date will be?
* Credit is a wonderful servant, but a terrible master. * Who's the boss --you or your credit?
FICO's: EQ 781 - TU 793 - EX 779 (from PSECU) - Done credit hunting; having fun with credit gardening. - EQ 590 on 5/14/2007