Latitude D520 video resolution issues

HI there - I have an existing case with Dell support regarding the fact that my D520 won't support anything higher than 1024 x 768 resolution with my Planar 19" model (PL1910M-BK).  We're using Win xp pro sp2.  You see i got one of our employees this new D520 model...he previously used the D505 ...and used it with this same Planar model and was able to correct resolution to 1280 x 1024 just fine...which was his desired resolution.  But now, with the D520, the only options for resolution is either 1024 x 768 or 800 x 600...in both the windows display properties settings or the more detailed intel accelerated media graphics properties.  For troubleshooting, i hooked up a NEC 19" accuscan model to the d520 and the resolution works properly...i can get 1280 x 1024 and even up to 1900 x something.  Dell has this in the case notes and they told me there really isn't anything they or i can do until maybe an updated driver comes out.  They told me to keep watching for updated video driver.  This is very frustrating considering we now can't get the proper resolution with this 19" monitor that always used to work fine with the D505 model.  I told Dell this and they said they really couldn't do anything...they just said that it's a diff't video chip and it's just not compatible with this 19" planar monitor anymore...but it is with this other NEC 19" model (which someone else is using by the way...so i can't just give the NEC to this person to get problem solved). Has anyone ran into this issue?  If a moderator is reading this, can something be done to get a new driver out there for all of us with this issue?  This is very frustrating! I understand the D520 is a newer model and there's always issues with newer models of everything, but Planar LCDs are pretty common and i'm sure many of us would appreciate a fix for this...and fast.  Thank you!