An interactive IPA chart by Eric Armstrong and Paul Meier. Very nice job using Flash technology. A difference in this chart is that it includes consonants in coda position both released and unreleased where possible (the released is with added aspiration). I did not try to analyze, but the vowel [a] used in the consonant chart sounds too nasal even in non-nasal contexts. The chart also includes diphtongs and triphtongs in Received Pronunciation and General American (whatever it be).
The official chart (without sounds):