Thanks, that looks pretty good, I will build it! I have several inductors salvaged from server power supplies, in big, do you mean physically or higher u henries? Mine are large. I made some changes to what you posted to devices I have in spice, specifically the pot and the FET and the load diodes, they all came with my recent down load and installation of LTspiceIV.exe and LtSpiceIV_Plus_12_2009.exe on my older laptop because my Toshiba crashed again and is headed back to the factory. The oscillator 4 fet.asc is the one mentioned earlier, runs at about 400khz until I tie it to an IRF2805, may work with that some more too.
Thanks for the current boost.asc,
I'm off to build it.
Kinarfi