Yes, if you re-install you can (and should) specify where to install grub. Not sure where that is in ubuntu in the current version. Ubuntu 9.04 had it in step #7, there was a button that said "Advanced."
Might still be in the same spot.
10v, N80, 1 Gig ram, 160 Gig HD, A06 /Windows XP

/ SL 10.6.6

NBI 0.8.4 Special/ Linux Mint

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