Test Equipment Recommendation?

Does anyone have any recommendations for equipment to perform a GSM/GPRS functional test on units prior to shipping?

ie, just to check that everything is working over the air interface - not a complete analysis or certification tester!

Maybe something like these:
roundsolutions.com/pdf/gsmtester.pdf
aeroflex.com/ats/products/pr … prodid=274
aeroflex.com/ats/products/pr … 0&prodid=1
aeroflex.com/ats/products/pr … prodid=276