Plaid Cymru’s hope is to leap frog the Conservatives and Labour and become Wales’s largest political party after the 2016 Assembly elections. That’s the ambition of Plaid Cymru leader Leanne Wood.
Ms Wood's ambitious to become Plaid Cymru’s First Minister and take her party into Government. She’s targeted the fifth Assembly term to do just that.
Labour lost Rhondda and Islwyn. It was seen as a political earthquake. Many at the time thought the mould in Welsh politics had being broken. Labour’s hegemony in the valleys was over. Not so. The seats reverted back to Labour at the next election. But could be the seats that the Plaid leader might feel she's got the best chance of winning back for Plaid. Although it's noticeable that she's recently moved her regional office to Pontypridd.
It is unlikely that Labour will be in a similar place in 2016. They have a settled leader in Carwyn Jones. If they have a fair wind behind them they just might be back in government in Westminster. But not long enough to alienate the traditional Welsh Labour voter.