The William Optics SWAN series are widely thought to be excellent value for money, the 2" eps come in 25, 33 and 40mm sizes and are A$169 each. You can get them from Andrews Communications in Sydney and a few other places. They are a seriously good eyepiece by any measure, and especially so at that price.
If your budget doesn't stretch that far then any of the telescope shops will sell you Chinese generic widefield eyepieces at prices starting at about $50 - brand names like GSO, Bintel etc. They are decent eyepieces but will probably show aberrations towards the edge of the field.
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