Great value SIM only deals from Virgin Media

Mobile general: Phones subject to availability.
Phones: BlackBerry®, RIM®, Research In Motion®, SureType®, SurePress™ and related trademarks, names and logos are the property of Research In Motion and are registered in the U.S. and countries around the world. Android™ and Google are trademarks of Google Inc.
Prices: These prices require you to use eBilling. For monthly price with paper bill add £1.75. Credit check & payment by Direct Debit required.
Delivery: £7.99 delivery charge applies to web & phone orders.
Pay Monthly Contract: 24 month contract. If you cancel during the contract you will incur an early disconnection fee. Credit check & payment by Direct Debit required. Phones subject to availability. £7.99 delivery charge applies to web & phone orders. Included in your tariff (subject to the allowance specified): UK calls to UK landlines (beginning 01, 02, 03) & UK mobile networks. Person to person texts within the UK. Mobile web & BlackBerry® Mail & Messenger are within the UK only. Unlimited parts of your tariff are subject to fair use policies which vary from time to time. Calls to 08 (incl. 0870) & 070 numbers not included in monthly allowance and cost up to 41p and £2.50 per min. respectively in the UK (see our website Tariff Table for details). Pay Monthly service terms apply.
Pay Monthly SIM Only: Credit check & payment by Direct Debit required. Only available to Virgin Media fibre optic or National customers. 99p delivery charge applies to web & phone orders. Included in your tariff (subject to the allowance specified): UK calls to UK landlines (beginning 01, 02, 03) & UK mobile networks. Person to person texts within the UK . Mobile Web within the UK only. Unlimited parts of your tariff are subject to fair use policies which vary from time to time. Calls to 08 (incl. 0870) & 070 numbers not included in monthly allowance and cost up to 41p and £2.50 per min. respectively in the UK (see our website Tariff Table for details). Pay Monthly service terms apply. Details at virginmobile.co.uk.
Money back guarantee: Our 14 day Customer Satisfaction Guarantee lets you exchange your joining pack or phone for a different one of the same value or get a full refund, less any airtime you’ve bought. We‘ll even send you prepaid packaging to post it back. If you Pay As You Go you will be charged for any airtime you have used according to our Pay As You Go tariff. If you Pay Monthly you will be charged for any airtime you have used. Calls and texts prior to return will be charged at 31p per minute and 13p per text.

Eligibility: These mobile tariffs are only available to Virgin Media customers who subscribe to at least one of the following Virgin Media National or cable services: television, residential phone or broadband (the "Services"). If you no longer subscribe to any of the Services you will not be eligible to receive the exclusive tariffs. You will then revert to the standard Virgin Mobile tariff closest in value to your tariff the month after your Services end or at the end of any fixed term contract you have entered into for the mobile services.

SIM Only: Credit check & payment by Direct Debit required. Exclusive extras only available to Virgin Media cable or national customers. Minutes and texts are for UK calls to UK landlines (01, 02, 03 numbers), mobile networks & other Virgin mobiles. Web access is within the UK. Calls to 08 (incl. 0870) & 070 numbers not included in monthly allowance and cost up to 41p and £2.50 per min. respectively in the UK (see our website Tariff Table for details). Pay by Direct Debit & Bundles service terms apply for 30 day rolling SIM only.