Russians currently need a visa to visit Ireland. The cost is about 60 euro. But the real cost is the hassle of travelling to the embassy in the north-east of Moscow, and waiting weeks while the dept Justice decide. Many potential visitors don't bother.
Russia is increasingly wealthy. The average income is 50% higher than Brazil, and Brazillians do not need a visa to visit Ireland for up to 90 days.
Irish-Russia trade is increasing fast. Exports stand at half a billion, up 137% since 2009. It is 4-5 times higher than exports to Brazil.
True Economics: 30/3/2012: Irish bilateral trade with Russia - 2011 results
Travel to Ireland from Russia - whether for tourism or business - is a pain. Not only the visa, but there are no direct flights. But Ryanair is in talks to start a Dublin-Moscow route- their first entry to the vast Russian air travel market.
Irish officials contact Moscow as Ryanair ponders Russian venture - Irish, Business - Independent.ie
The EU and Russia are in protracted negotiations to end visas between Russia and Schengen area - but those talks are years from a deal. Ireland is not in Schengen, meaning we can make our own deal.
It would be good for business and trade to end the visa requirement for Russian visitors to come to Ireland.