What about this one
http://www.argos.co.uk/m/static/Product/partNumber/4596754.htm?cmpid=COJUN&catalogId=10001&cjsurferid=875803236684614546%3AG8N8yA.VB9kA&_%24ja=tsid%3A11674%7Cprd%3A3086088&storeId=10151&referredURL=http%3A%2F%2Fwww.argos.co.uk%2Fstatic%2FProduct%2FpartNumber%2F4596754.htm&referrer=COJUN
No, the EVGA 750 B1 is not one of their better models. Look at the list I linked for you. If you list your system details a better recommendation for you can be made to determine your power requirements.