EFI SBC vs LS Motor

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Just looking for some specifics on why to do one vs the other. Currently I have a 350 SBC & T-10 with the following mods:

• Eldelbrock TEC 200 Aluminum Heads
• COMP Cam 12-612-5 Solid Lifter Cam
• Roller Rockers
• Ceramic Coated Headers
• Holley Competition 750 cfm
• MSD Ignition
• Super T10 4 Speed Transmission
• Center Force Clutch
• Scatter Shield
• Hurst Comp Shifter
• OEM Forged Crank
• OEM polished rods
• TRW pistons w/ floated wrist pins
• Balanced rotating assembly
• ARP Head Bolts & Fasteners

So I've been really interested in doing an LS swap, even have tossed the above setup for sale, but a friend says since I've already got some decent parts on this motor why not just EFI it?

Now my goal is 700whp with a blower - granted this will be a while down the road, one step at a time.

From what I've read, with no specifics other than newer technology, the LS motor does everything better. From fuel economy to making power and the important one drive-ability. A big one for me is the reliability and turning the key and having it start, without pushing the pedal 4 times etc. Yes the 350 has never let me down but I'm nervous every time it cranks for a min, ha!

So why not do an intake manifold and EFI on the 350 SBC? Why should I swap to the LS?

To you guys that have done the EFI on the 350, what parts have you used?

Thanks!!!