Sounds interesting, especially the tech tree thingy, saw the visualisation of it as well and it looks nice (just add a faint black opacity backdrop in between hud and background for readability, it blends a little too much with some of the background visuals, i'm imagining the backdrop flicker in and then the hud swirls onto it from left to right as in the vid (love the dynamic feel of it like in the vid ^^) (and i know it's wip, just mentioning

)) making me wonder how you will unlock/progress into a tree though? Experience? Skill points? in game credits? Loyalty points? Campaign progress? or something else
For the racing and having a bit more control, i wont judge it, would have to be able to race it to see how it feels, so we'll patiently wait

, i do enjoy your thought of speed and fluidity, a lot of racing games that involve weapons ( eg mario kart, blur, …) really disrupt the whole racing aspect, making weapons heavily affect outcome, wipeout HD was on the edge with that i think, it wasn't devastating, but it was still there (although personally i still find that bombs mins and rockets in HD/Fury slow you down too much, but that's just me, a lot of people like it that way as well i think)
As for the name, see it like this, when a 3 section is added, it loses it's initial expressive power take examples from other games, most are always 2 sections;
Fi-Fa, Battle-Field, Wipe-Out, Border-Lands, Cry-Sis, Mine-Craft, Magi-Cite, Bio-Shock, yada yada yada
There's a lot of exceptions to the case, no doubt, but usually it wont be a generic term added to it, then again, it might just be me though, but it think it's more fluid/ powerful with just SlamJet, so yeah ask around
PS controller support! Please please please! Annoying since windows doesn't come with the drivers, but playing racing games with a keyboard is usually meeh and not everybody has an XBOX
If i hear shaders i instantly think UE3/4? Looking great either way, can't wait to see more! Good Luck
Cipher