There is an option to only load plugins when you click them in opera (opera:config#UserPrefs|EnableOnDemandPlugin). I don't know how noscript, adblock or flashblock work exactly, but with the on demand plugins and an urlfilter.ini (http://www.fanboy.co.nz/adblock/opera/) you should be safe and ad free.
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There is an option to only load plugins when you click them in opera (opera:config#UserPrefs|EnableOnDemandPlugin). I don't know how noscript, adblock or flashblock work exactly, but with the on demand plugins and an urlfilter.ini (http://www.fanboy.co.nz/adblock/opera/) you should be safe and ad free.