I asked this question on social media and ordered a few of the pen’s suggested to me. I’m on a mission to find a smooth writing, non-blobbing, easy to hold (for a long time) pen. I have a gorgeous Fisher Space Bullet which I adore for its look, and the satisfaction of putting it away, but the grooves press into my finger and feel a bit uncomfortable. I very much appreciate the depth of colour a black Sharpie gives but can’t bear its bleed through a page. Also, it’s not a fast writing pen. I tried a Uni-Ball Eye after previously being recommended it but found it too scratchy. I was told to try the micro because that is “flowy” which sounded good. The Pilot G2 gel ink rollerball got the most enthusiastic mentions so I ordered one of those. People also suggested the Papermate Flexi-Grip and the Stabilo Pointball.
I ordered from Cult Pens and firstly, how cute is this? It arrived with a little pack of love hearts!
Here are my initial feelings.
My top two are the Papermate and the Stabilo. It seems I prefer to write with a biro although I prefer the look of the gel pens on the page. If anyone has any other recommendations let me know. No ink pens though! They may be fancy but they get a big no from me.
Sara Crowley 
Ha… Cult Pens! another fan here 🙂
I use pencils a lot for my notes, but when I use a pen I have 2 favourites:
– Montblanc Starwalker ballpoint pen from 2006. It never failed. Very well balanced pen, I find it very comfortable to hold and write with. I use black ink, F nib.
– Lamy CP1 fountain pen. It has a minimalist design. I use the EF nib, also with black ink.
Then in my mini pencil case I also always keep a Parker jotter with blue ink and an old Parker 88 fountain pain in blue laque with gold filled trim; M nib. This is from around ’93-’94. I rarely use it, but I like the pen a lot.
Wow, you are a super pen gal! I can’t get on with pencils at all – too fragile, snappy, faint. Plus, for some reason, I can not sharpen a pencil satisfactorily!
I only use my Lamy fountain pen and black ink. It glides beautifully over the page. Coloured pens for highlighting.
Ooh, you’re fancy! I like the sound of it gliding beautifully over the page but fear in my case it would be splotches and smears ahoy. I just got a new pen for my birthday actually, a lovely Fisher Space pen.
If you’re still considering pens, there are two that bring me joy. Admittedly I am an outlier when it comes to thickness, but the following also comes in 0.5mm:
1) Uni-ball “Vision Elite” rollerball pens
— specifically, the Bold Point (0.8mm) version, because joy.
But you did try Uni-ball already (and, agree, other models are scratchy), so perhaps something else:
2) TUL “Retractable gel pen” (no fancy name)
— specifically the Medium Point (0.7mm) pen.
TUL also has a 0.7mm rollerball version, but I can’t confirm the joyness.
Hope you find/have found your Goldilocks pen!