Thanks everyone for all of the help.
I've been trying for the last two months to get a definitive answer back from Solectria about this very issue. My concern is that they may attempt to void the warranty or something else if they deem this to have been running "out-of-spec". The voltages/wattages going into the unit (albeit low) would be stored in the unit so that is easy to determine.
I'm trying my best to stay within the operating parameters of the inverter so as not to damage it. On the other hand, I don't want to wait another 2 years to be able to afford the extra 2.8kw of panels to start getting some sort of payback.
Obviously, after an investment of this magnitude, it would be nice to offset at least *something*, *anything* at the git-go. My house, when idle, draws about 230 watts (wall warts, idle loads, etc).
I've emailed and called Solectria (left voice mail) and they never seem to have time for the "little guy". I wish I would have known this prior to purchasing the inverter since I would have chosen a more customer-friendly manufacturer.
I'm sure many others here might consider a similar start to PV, which would benefit AltE and Solectria right away (through increased sales) but I guess we'll be left in the dark (excuse the pun) with regard to the lower operating limits of the inverter.
On another note, the price-per-watt for the Kaneka GSA60 panels can't be beat but watch out for the cost-per-watt for the Unirac mounting solutions! I figured that the cost for mounting each module is about the same cost of the module itself when you figure the "D" clamps, railing, standoffs, etc. I've already committed to this course but something to think about if you're following a similar path.
It would be really nice if Solectria could improve their customer support and/or sizing tool.
Oh, forgot to mention; Yes, the wiring runs, etc have been designed for the final setup (3000w total).
Thanks again for the replies and hope Solectria gets back soon with some answers