I have a Medela PISA that I use both at home and work and a Medela Swing I use at home and on the go. Love them both but my PISA pumps the milk out faster than the Swing. I think a Medela pump is worth the investment. Check to see if your insurance will cover all or part of the cost of a pump. I know many will since they qualify as DME.
Holly, mommy to 6 ~ 4 on earth 2 in Heaven