Cashbacks and Redemptions can get you SIMO deal of:
1000 UK Mins
2GB UK Data
5000 UK Texts
All for about £2.42/month on Vodaphone 2G and 3G Network
Top Cashback are currently offering £13 for SIMO deals with Mobilephonesdirect.co.uk. One of the SIMO plans Mobilephonedirect has is the one detailed above at TalkMobile (which uses Vodaphone network). This plan carries £48 cashback via redemption when purchased through Mobilephonedirect. So, although the face value of the plan is £7.50, if your cashback track and you correctly claim your redemptions the net cost for the plan will go down to £2.42. Big ask I know but the option is there.