Apparently, Some of the English Vocaloids have official albums out.
First, there is Leon’s Album “A Place In The Sun” The CD includes 14 dance tracks in a modern arrangement, with lyrics in English and in Russian. Total running time is 70 min. The company started working on the album in 2006 and finished it in the year 2008.
You can buy it here for $9.95
Next is Miriam’s EmoScale. The new entry for the upcoming second album of robot vocals.
Then there is Make Me Feel a collaboration of real human singers with Vocaloids. It’s not out yet but you can here samples including ones of the album’s I mention above here