Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.
Too small a step IMO,
Either 4850 > 4890
or
4850 > 5850
i already have an 4850 with 512 m
would there be any point buying a 4870 512m
thanks in advance
