There's lots of good places on the web for improving your collection! These are some of my favourites:-
Esprit has loads of Erasure rarities!. Updated daily with new items!
Sells a wide range of UK Erasure releases
Bandmad.com - selling official Erasure merchandise from 'The Other Tour'!
Mute Bank mail order Mute Records own Mail Order place where you can get all the British releases (apart from the older limited edition ones), videos, posters and T-Shirts!. Now with secure on-line ordering!
CDUniverse - Great American CD store selling US Erasure releases and imports.
Rage mail order Lots of rarities! Full Erasure catalogue available to download here or e-mail them for the list at firstname.lastname@example.org
- Loads of US and imported Erasure items!
UK based CD store selling mostly UK cdsingles and some rarities.
Energy loads more Erasure rarities!
Barnesandnoble.com's erasure site
Vinyl Tap sells Erasure rarites - not just vinyl
Southland CD Erasure rarities
Songsearch CD Store-- US based online store with low prices
Ebay - a great auction site. Good for finding some rare (and not so rare!) Erasure goodies!.