Here's a review on what they have released on two Vocaloid events. Remix songs will be available to download for a limited time. You can also click on the thumbnail banners to view it larger.
Vocaloid Event 1
Event duration: May 22nd ~ June 12th (2008)
Release date: 5-22-08
+ Hatsune Miku collaboration w/Kooh
+ CVS01 Miku costume on sale limited time
+ "A Shiny Day" remix
Release date: 5-29-08
+ Hatsune Miku collaboration w/Negi Clubset
+ Negi leek clubset available in Gachapon lottery
+ "Bunny Picnic" remix
Release date: 6-5-08
+ Kagamine Rin collaboration w/Erika (Hana)
+ CVS02 Rin costume on sale limited sale
+ "Revive" remix
Release date: 6-12-08
+ Kagamine Len collaboration w/Ken (Nuri)
+ CVS02 Len costume on sale limited time
+ "Crystal Lake" remix
Vocaloid Event 2
Event duration: June 4th ~ July 9th (2009)
Release date: 6-4-09
+ Megurine Luka collaboration w/Arin
+ CVS03 Luka costume on sale limited time
+ "nowhere" remix
Release date: 6-11-09
+ Re-release costumes from last year
+ Kooh (Miku), Rin (Erika), and Len (Ken) costume on sale limited time
+ "Bunny Picnic" magical lunchbox mix
Release date: 6-25-09
+ MEIKO collaboration w/Cecilia
+ KATIO collaboration w/Kaz
+ Sound MEIKO Saki collaboration w/Lucia
+ Cecilia (MEIKO), Kaz (KATIO), and Lucia (MEIKO Saki) costume on sale limited time
+ "Crystal lake" - 273k mix - (6-18 update)
+ "Snowscape" yks remix feat. MEIKO and KAITO
Release date: 7-2-09
+ "revive" prayer for the planet mix
+ "a shiny day" the Sun, the miracle aztec
+ Vocaloid wallpaper download
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The only Characters that are missing the Vocaloid outfits are Bob and Max. Who knows if there will be a third Vocaloid event next year. We'll have to wait next year to find out. Psst, bring Arin's Luka outfit to Korea soon oK?
* a shiny day & a shiny day the Sun, the miracle aztec is basically the same
* revive remix & revive prayer for the planet mix is basically the same
* bunny picnic & bunny picnic magical lunchbox mix is basically the same
