If you can't get broadband in your area you might want to consider satellite. There are high upfront costs, but over the long term you should have the technical ability to run a virtual private network (VPN as they say!).
If you're worried that BT is just about to enable your local exchange for ADSL broadband, then try writing to your local MP first. They in turn should write to BT's Chairman asking when the local exchange is likely to be upgraded - if its imminent then hold off....