OK, finally figured this out, been at it all day!
These are the tables to delete when you copy an existing site to a new server as a template. to get rid of the existing customers, existing orders and existing products (and all the loose ends that are associated with them) just run this querry from PHPmyADMIN:
PHP Code:
DELETE FROM customers;
DELETE FROM customers_admin_notes;
DELETE FROM customers_basket;
DELETE FROM customers_basket_attributes;
DELETE FROM customers_info;
DELETE FROM customers_wishlist;
DELETE FROM products;
DELETE FROM manufacturers;
DELETE FROM manufacturers_info;
DELETE FROM paypal;
DELETE FROM paypal_payment_status;
DELETE FROM paypal_payment_status_history;
DELETE FROM paypal_session;
DELETE FROM paypal_testing;
DELETE FROM nochex_apc_transactions;
DELETE FROM nochex_sessions;
DELETE FROM orders;
DELETE FROM orders_status_history;
DELETE FROM orders_products_download;
DELETE FROM orders_total;
DELETE FROM orders_products;
DELETE FROM orders_products_attributes;