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

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I was leaning towards getting the Basilisk cause of the bluetooth and RGB and the V3 Hyperspeed felt like a downgrade from the V2 Pro for me.
the v3 hyperspeed is a great mouse, I have 17x10 cm hands and I love it
Agree with what people have posted. But I want to give another view. An ergo doesn't have to contain curves and humps - it just needs to support your hand comfortably. For example, the Viper V3 Pro is one of best ergonomic mice I ever used for myself. I can use that all day and not get uncomfortable. It supports the entire hand and keeps it locked in so I can use the bigger arm muscles for movement. DAV 4 and DAV 3 HS are not too far behind in terms of comfort. Really want to pick up the NP-01 Ergo one of these days. With that said, there's some great recommendations here. I'll throw out one more too. The Orbital Pathfinder. Similar to the VV3 Pro though I stumbled upon a combination that was amazingly comfortable for me (LWR 1-2-1). And if I want to use something smaller for like Arc Raiders, I'll go APH 0-2-0. Pleasantly surprised with this mouse so far. I thought it would be more gimmicky but changing the shape to what I feel like for the day is pretty nice.
Don’t even think about switching it, bro — it’s mad comfy. Only if it feels a bit big, grab the DeathAdder V3 Hyperspeed too and keep both.
Honestly for the price, the sensor and the weight the hyperspeed is too good. The only gripe for me would be where do you feel most of the weight?
I found the Dex a decent mouse to use, but Logitech scrolls wheels are terrible. Personally the Razer Deathadder V4 Pro was better in every way, but is pretty expensive
I use ergo mice and I’ve tried a few from their list. Scyrox V6 was comfortable, but had very poor battery life! If you like ergo mice and was a fan of the Logitech G703 shape then you’ll like the ATK Z1 ultra or the Razer Deathadder V3/V4 Pro or Deathadder V3 Hyperspeed

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Ultra-light (39g) for small hands; sensor is outdated.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