Here are some of MrCheapStuff.com friends and recommend links:
SpendLessOnline.co.uk – A coupon site for UK residents.
Zlittle Frugal Live – A site that celebrating the beauty of Frugal Living. Discussion of creativity frugality and other topics like trash to treasure, fashion, home organizing, coupons and much more.
Promotioncodes.ie – A popular Irish Voucher Codes site. Which features popular discounts like their O2 Voucher Promotion Code and Dell Promotion Codes.