Great Game, Not so great music :P
its a really great game! (and im not even a fan of flyer games like this)
its very addicting, being that you want to get the next ship and all :P
a few hints:
Your warpspeed is basically useless (unless you are a fan of dieing)
Neko's parts are basically the same as the elite parts, so compare and contrast (window shop)
Always aim to get the next best ship (duh)
The Black Market has the BEST prices
Try to get anything that reduces the drop rate of "X"s (because near the end the drop rate is just insanely ridiculous!)
An easy way to get 2 acchivements is by crashing into other spacecrafts to try to destroy them (bosses too!)
When ever you get invinciblity crash into other spacecrafts, they die instantly!
DON'T buy Glow ship lights!
I think that about covers it. Have fun and kee trying to earn Medals :)