Pens (top to bottom): Parker 45 (I've had this pen since my teens!), Lamy Safari, three Pilot Kakunos, Kaweco Skyline Sport, Faber Castell OpArt Ambition, Platinum 3776 Century Nice, Pilot Vanishing Point, TWSBI 580AL in purple, Platinum Plaisir, Pelikan M400 Tortoiseshell and a Sailor Four Seasons Yukitsubaki.
A few of these pens will be talked about in more detail in due course...
Ink: Diamine Blue-Black, Diamine Denim, Lamy Blue, Pelikan Edelstein Tanzanite, Lamy Black, Lamy Blue-Black, Diamine Prussian Blue, Diamine Grape, Diamine Twilight and J Herbin Rouille D'ancre.
I think I have a good mix of luxury and cheaper fountain pens which works well for my current situation. The cheaper ones come on placement with me while the more expensive ones are used for long periods of study :)