You can buy from autozone and still get ur online purchasing fix.
http://www.autozone.com
I just bought my timing belt off there yesterday. They never have CA parts in-stock at the store anyways.
Product Descriptions: 1988 Nissan/Datsun Pulsar 1.8L FI Timing BeltBrand: Gatorback Part Number: 40137 Core Value: $0.00Unit Price: $19.99Qty.: 1 Sub Total: $19.99 Shipping: $5.60 Taxes: $1.98 Total: $27.57Ships within 3-5 Business Days