I have...they were fine...I also caught them on a month they said they would price match any competitors. Shipping was the same and cost ended up being about the same...
I get my seeds in similar times from the Attitude and Sea of Seeds, and herbies...so I can confidently say that all 3 of them are just as good as the other to use...
I pick which one to use based on what seed I am looking for, because SOS might have one that the Attitude and herbies don't...or whatever. So there...Around 3 weeks to the southern US from any of the 3.