Re: I wonder
Well, some types of colour film are certainly harder to come by - Kodak don't do any slide film any more, for example - but there's still a good selection of colour print film.
And there's even - if all goes according to plan - a new slide film launching soon. The Ferrania kickstarter raised enough cash last year to get up and running, and though there have been some delays in setting up the factory, most people still seem fairly hopeful they'll be producing new stock later this year.
For black and white, again a few companies have fallen by the wayside, but there's nevertheless a good range of films to try out, with differing characteristics and price ranges. For example, the ones in the gallery linked to this article were shot on Adox CHS25, which has a similar effect to a more modern film with a filter, if you look at the picture of the flowers outside the Royal Exchange; €5 a roll for that. A ten pack of the Agfa APX100 works out at just under £3 a roll.
You'll still find black and white film from Adox, Agfa, Foma, Fuji, Ilford, Kentmere, Kodak and Rollei (though Kentmere is made by Harman/Ilford, and most Rollei branded film made for them by someone else)..
You can almost always find C41 film - at the moment, it's often 24 exposure Agfa Vista 200 - in Poundland, or if you want something better, Kodak Portra is a little under £6 a reel, while their budget Colour Plus is about £2.50.
Slides are still pricey, but Agfa's CT Precisa - which I have had pretty good results with - can be bought in the UK from about £6.70, or in Europe for €7. For Fujichrome Velvia (which I personally love), you're looking at £10 a roll, if you shop around.
Colour film manufacture is now more or less just Agfa, Fuji and Kodak (with a suspicion that some of the Agfa film is actually made by Fuji). Ferrania will hopefully be online later this year.
There was a period a couple of years back where it seemed like almost every month the BJP would have a story about another film line being cancelled, but things do seem a bit calmer these days, and I'd say there's a good enough range that you'll find something to suit your taste and pocket.
I listed a few suppliers in the article linked from this review. Also worth a look at macodirect.de as they can often be cheaper, even allowing for shipping.