Sorry for the late reply, got sidetracked with school starting up

~if heat effects the gauge you will have to either compensate or give it time to heat up than recalabrate
We flew a rocket last year to test the payload concept and I didn't actually see that much of a temperature change in the payload compartment. The resistors will be on a separate breadboard, they should be sufficiently isolated from the sensory electronics. The pressure/temperature gauge has it's own method of accurately determining pressure/temperature, I trust the spec sheet more than anything I could come up with, not knowing the inner workings of the chip

~keep them cool keep the un-regulated supply as close to the output voltage as possable
I've actually noticed that I need to keep the supply at least 1.5V or so above the target output voltage, otherwise the output dips.

~ i have read more books on it than i can count
Any in particular you would recommend? I follow [link] from time-to-time, but not much else, can you recommend any electronics sites you find interesting?

~im working on a 900 volt boost inverter made form recycled parts and about $5 in bought parts
Prey tell, what's that for? Trying to build an ark lamp?

Hah, well, I did my undergrad in general engineering. I took a fancy to electronics during the latter half of my education and also found satellites interesting. It's my plan at present to work on satellite electronics eventually. Currently I'm working on a thesis on autonomous satellite rendezvous. The lab I'm in is building two satellites, though I'm not working with any specific hardware on the craft.

When I did my undergrad I worked on an underwater robotics competition. We had a generous grant to work with, but we learned the hard way to always build and test a robot before game day. We were literally building the robot for the first time in the car ride to the qualifying round. After hours of stalling for more time, we finally connect the plug (I had the honor of plugging in the power), we blew a voltage regulator (had one of the power supplies connected backward - it's easy to mix up wires when we're feeding a tether down to the robot and everything's enclosed). Didn't have any replacement parts, so we ended up failing the qualifying round, unfortunately.

For that project I worked on the computer GUI. Most teams had a power cable go down to their bot and then have the motor controls come back up and be operated by simple rocker switches. We had worked out a whole Arduino-based design inside the robot and had an ethernet cable coming back up to a computer on the surface. I had worked out a GUI to feed the user commands from a joystick down to the robot as well as display the live video feeds from four webcams. And then we couldn't get the robot to turn on, it was rather disappointing.

As I've mentioned, I'm also working on an electronics payload for a rocket. My hope is to have something that can interface with a GPS, but also read data off an IMU and strain gauges and then transmit the data to the ground live, and even turn cameras on/off (I prefer the cheap 808 cameras for like $12 over the GoPro which are like 10x the cost). Right now, I'm writing my thesis and studying for qualifying exams, I'm thinking of scaling the rocket payload back to just the GPS and transmitter though since I don't have the time or the personnel to put the whole thing together.

I've also spent an obscene amount of time programming in Java, though I'm not sure what you qualify as electronics experience.