I shop at Trader Joe's at least once a week. When I'm in Tempe I go to the Trader Joe's on Mcklintock and in Mesa, the one on Gilbert.
The employees at Gilbert and Baseline Trader Joes are super friendly and attentive to all the customers. They drop what they are doing to make sure the customer finds what they are looking for, or they look the product up to see when, or if it is on order.
They are courteous helpful and personable right up to the checkout line.