http://searchtempest.com/
- сохраняются параметры запросов

http://zoomthelist.com/
- удобный поиск с запросом - ключевым словом

http://www.byebyelist.com/
- только вещи, по городам отдельно, с диапазоном цен

"Firefox has an addon “Craigslist Image Preview” which shows the pictures under the title without having to click on the posting."

http://www.makeuseof.com/tag/easily-find-anything-you-want-on-ebay-amazon-etsy-and-craigslist-with-rss/
- RSS - Easily Find Anything You Want On eBay, Amazon, Etsy, And Craigslist With RSS