not sure of that bracing strut on the light speed, makes the frame design look unfinished and cluttered.

sort of oh dear we have this lovly frame now where do we mount the shock, just bung this bit of tube in their and jobs a good un.

It says Merlin, don't know where you got Litespeed from.

/whistles innocently

;-) 

not only is it a merlin not a litespeed, its also not using an ellsworth rear end..

looks to me like a seatstay pivot not an ICT one..??

the works 4.0 uses an ellsworth rear end but this new one looks like a re-design.