
Logitech G
G600 MMO Gaming Mouse
Customizable MMO workhorse, durable, but discontinued and pricey.
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I find this quite strange because I share the same concerns as you, but unlike you, the curved side of the EC2 is why I always used mice based on that; IME 3.0, and then EC2 versions over the years (EC2 OG with glossy sides, EC2 Blue rubberised, and a few years ago the EC2-DW. However, I switched to the Vaxee AX O because I experienced some skipping issues with a few EC2-DW units. My Vaxee has recently given me some double-clicking issues after a year and a half, and I'm thinking what's next
Zowie ec1/2/3 the top
Zowie ec2/ec1 might just be what your looking for
Damn I woulda thought Zowie would have some of the best click latency considering their price. Been gaming the EC2 for the last 5+ years
S: DAV3/V4 PRO, DAV3 Hyperspeed A: EC2, NP-01S, NP-01S Ergo B: DEX I didn't put Chinese mice because most are clones of the above shapes.
I haven't tried every mouse in the world but for ergos I really like the Zowie EC2 and for finger tip I love the VXE Mad R and the Attack Shark R11.
Difficult to tell you dude. What I've personally done is buy cheap chinese clones of the different classic shapes, 20-30€ a piece max. Then I've used them all for a while each and figured the shapes I like like that, thinking once I know what I like I'd spend the big bucks on the real deal but ended up being really satisfied with the 50€ range chinese mice.

Logitech G
G600 MMO Gaming Mouse
Customizable MMO workhorse, durable, but discontinued and pricey.

VXE
R1 Series
Budget king: lightweight, great value, long battery life.

Hitscan
Hyperlight
Ultra-light (39g) for small hands; sensor is outdated.

Razer
Viper V3 Pro
Adaptable shape, optical clicks, but scroll wheel malfunctions.

Logitech G
G502 HERO High Performance Gaming Mouse
Durable, heavy workhorse with free-spin scroll; prone to double-clicking.

Ranked #1
Hitscan - Hyperlight

Ranked #1
Teevolution - Terra

Ranked #1
Razer - Viper Ultimate

Ranked #1
ROCCAT (Turtle Beach) - Kone Pro

Ranked #1
Logitech G - G600 MMO Gaming Mouse

Ranked #1
Razer - Naga Trinity