Light Stealth Aircraft is a proposal made by vstol jockey for the Indian Air Force; thread can be accessed here:
http://indiandefence.com/threads/light-stealth-aircraft.55805/
Basic characteristis:
EJ230 engine
57* sweep wing, mid-wing design
-20 dBSM RCS
SEAD loadout 2 BVRAAM, 2 WVRAAM, 8 SDB
3 hr 45 min endurance
Mach 2,25 top speed
price 25-40 million USD
supercruise capable
AESA radar, IRST
<115 kts approach speed
For discussing the design, register on the forum; vstol jockey is the designer and link was posted with his approval.
P.S. vstol jockey is a retired Indian Navy pilot. He helped with technical details of the FLX 6 design, and FLX inspired him to design LSA.