Wow what a deal! Best on the market i think atm. Good if you can get it!
here's the info:
Barclaycard Platinum Credit Card with Balance TransferWe’ve extended our January offer: £20 off your balance transfer fee when you transfer £3,000 or more by 28th February 2011
0% interest on balance transfers for 18 months from account opening (2.9% handling fee applies)
0% interest on purchases for 3 months from account opening
**Update - This has just increased to 20 months - check out the article - http://www.which4u.co.uk/bank-accounts/news/13055-barclaycard-increase-balance-transfer-deal-to-market-beating-20-months