As a long time viewer of this excellent forum I have finally come up with a question. After several months of contemplation I am close to making a decision on the choice of a successor to the Panny PTAE 100. Having done research (on these forums and elsewhere) and being very impressed with the Panny I was originally drawn to the Panasonic 700 as the logical replacement. However, I keep reading about the VB issue - something I have not really noticed on the PTAE 100 and have decided (reluctantly) to cross it off the short list. I had all but made up my mind to go for the Benq 7700 but doubts over the rainbow effect are giving me cause for concern. I have never seen a DLP working and frankly I would not know where to find the nearest Benq dealer who would offer a demo - I Live near Stoke on Trent. For this reason I am leaning towards an LCD based solution in particular the Sanyo Z3 as it appears (on balance of reviews read) to offer an image nearly as good as the Panny ( without the VB issue) and can be had for approx £800.00 with spare lamp and 3 year Warranty! So here's my question is the difference between the Sanyo and the Benq worth some £600.00 extra (not forgetting a spare lamp). Has anyone upgraded to the 7700 from the Z3 and if so was the difference an 'order of magnitude' or merely evolution I have a dedicated cinema room i.e. dark with a seven foot screen and would be looking to upgrade my current component fed progressive signal to a DVI source. Pannys actual usage has been 400 hours in two years use.