latest news I heard (last week), the calendar is still being drawn up so not to clash with any major events. Early indication is 1st round will be early May.
But I think you got Ian's number... maybe can call him and bug him bout it :P then let us know when exactly hehe.
I currently changed to toyo T1R, i m satisfied with its gripping output.... reason i change to it is because the "suku" normal sime astar 300 tyres cant hold my car power, during mivec on, tyres burn and feel bit...