Do I abandon what I have for new solutions?

Do I understand enough about the capabilities of the existing solution to make decisions on its future.

What kind of risks do I assume if I make a decision to make a change what do I incur if I don’t ?

Market Threats:

In down economic time layoffs from technology firms cause workers from these firms to open up their own shop in the interim.

Cheaper off shore outsourcing

Cramped IT budgets cause internal shops to not spend or fire contractors or simply do without.