Just inserted the D & P SIM. Not paid a penny and got 'straight' (after delay finding weaker EE signal than O2 here) onto Net w/out activating anything.
No outgoing calls or SMS as I haven't topped up but can get incoming just like any PAYG SIM.
Data works over 3G or even lower.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC