I like that all my pension plan is in one place, plus they offer many different choices for investing your money as well! It's not easy to get access if you live outside of US; however this does apply generally across any other web-based investment platform out there - but with Pensionsgold it just gets worse each time since their customer service doesn't seem capable or willing to fix most issues without being forced into doing so by legal threats from investors who want refunds due them under state law (which should be illegal).
They need serious overhauls to make things more flexible worldwide including offering options beyond index funds which are often inaccessible otherwise unless living within USA borders where tax rules allow certain investments over others when calculating capital gains taxes etc.