FullFeedr
(no limits)
Full-length feeds. Some websites provide limited RSS feeds – just the intro of the article. I hate that.
Ars Technica – News (full) – full-text feed.
Ars Technica – Infinite Loop (full) – full-text feed.
Ars Technica – Nobel Intent (full) – full-text feed.
A List Apart (full) – full-text feed, mostly fixed feed date problem.
Velo.lv – an unofficial RSS feed (they have none!).