....And it sucks so much. The TI Sequencer mode has become useless for me as i have exactly the same problem
OS 3.0.1
Cubase 5 with 5.01 update.
Windows XP service Pack 3.
Intel duo 2 core cpu
ASUS P5B Deluxe MB
2x2 GB DDR2 RAM
2 x 10k rpm disks @ 150GB each.
Motu Traveler Interface
Novation Remote SL
Please let me know also if you find some solution to this bad situation.