Looks like I have finally got my wish! got this text today

From Vodafone: To let you know you're nearly at the end of your monthly data allowance of 500MB. If you need to use additional data there will be a charge of £5 incVAT per 500MB , however we won't start charging until 1 October 2010. To stop these alerts, text STOP to 40506 Sent AUG 16 @01:12 UK

Cancellation letter going in today!