I think this is a great price works out at £2.47 per pack.
Great value multifunctional paper ideal for volume copying and printing. PEFC certified, produced using 100% eucalyptus pulp from sustainable forests. With ColorLok technology for improved results when inkjet printing - quicker drying time,
bolder blacks and more vivid colours. 75gsm. Size: A4. Packed 2500 sheets (Ream-Wrapped). Pack of 5.
Also the 80 gsm available for £13.68 thats only £2.73 per packhttp://www.amazon.co.uk/HP-Copy-A4-Paper-80gsm/dp/B000SHPFWS/ref=sr_1_1?s=officeproduct&ie=UTF8&qid=1307703962&sr=1-1
Not expired - just select to buy from Amazon not from other merchants.