Could you email me your username/recommendation instructions - I've just spent 5 minutes reviewing their service and think we could save money by switching.

http://www.plus.net/referrals/offer.shtml?WT.svl=homw_ref25_ban doesn't give any specific instructions, except that you should enter "furrfu" in the right field as per this screenshot: http://www.plus.net/images/referrals/promo/signup_referral.jpg