We are nearing the final stages of producing a new geoid-type model for Australia that will replace AUSGeoid98. The term geoid-type reflects that the gravimetric quasigeoid model will be fitted to regional GPS-levelling data using least-squares collocation. This will provide a user-friendly product for the more direct transformation of GPS-derived ellipsoidal heights to normal-orthometric heights on the Australian Height Datum (AHD). This has become necessary because the Australian mapping authorities have decided to retain the AHD for the foreseeable future, whereas it is well known that the AHD contains about 1-2m distortions due to the fixing at 32 tide gauges. Another driver is that there is an increasing trend towards establishing vertical control single point carrier-phase GPS positioning using the AUSPOS on-line service or precise point positioning (PPP). When the quasigeoid was used with differential GPS, common quasigeoid errors cancelled in this relative mode, whereas they do not in the absolute mode. As such, AUSPOS and PPP users of AUSGeoid98 can find up to 2m discrepancies with existing AHD benchmarks. In addition, we will use some improved quasigeoid modelling techniques and the most recent datasets available, such as GRACE (Gravity Recovery and Climate Experiment) global gravity field models, satellite-altimeter-derived gravity anomalies in marine areas that have been re-tracked to improve them in the coastal zone, the latest cleaned release of the Australian land gravity database, the version 2 Australian digital elevation model, which now allows the computation of nine arc-second resolution topographical effects. Some emphasis will be placed on the use of modified kernels as high-pass filters to manage long-wavelength errors in the Australian terrestrial gravity and terrain data, so that they do not contaminate the high-quality GRACE data.