If you want an iPhone, but your bank balance is barely healthy enough for a splurge in the local 99p store, then an 8GB iPhone 3G is about all you’ll be able to muster. But it appears Apple is planning to give financially challenged punters the chance to get on board with the iPhone 3GS, with new leaks showing an 8GB version is on the way. Read on to find out when it’s likely to land.