If you're UK based then www.gak.co.uk sells them, but i dunno 'bout other countries though
id sig you but i have no room lol. so ill just bow down to your username

Member of UG Irish Clan: Póg mo thóin
You go to the mesa website and check out their list of dealers that are close to you
Inventory of My Addiction:
Gibson Les Paul Voodoo
'93 American Standard Tele
STHAC Texas Havana
Epiphone Elitist '63 DOT 335
Sh*tload of Vintage Tube Stuff
Mainly Ampeg and Sovtek