There are some right bargains to be had, and for 2000ad completists lots of places to find some favourite artists -
https://www.comixology.co.uk/Star-Wars-Dark-Empire-Trilogy/digital-comic/166337?ref=YnJvd3NlL3NhbGUvZGVza3RvcC9ncmlkTGlzdC8zNzM3NA
Dark Empire 79p features Jim Baikie and Cam Kennedy
https://www.comixology.co.uk/Star-Wars-Boba-Fett-Death-Lies-and-Treachery/digital-comic/166322?ref=YnJvd3NlL3NhbGUvZGVza3RvcC9ncmlkTGlzdC8zNzM3NA
Boba Fett Death Lies and Treachery art by Cam Kennedy 79p!
https://www.comixology.co.uk/Star-Wars-Boba-Fett-Enemy-of-the-Empire/digital-comic/166327?ref=YnJvd3NlL3NhbGUvZGVza3RvcC9ncmlkTGlzdC8zNzM3NA
Boba Fett Enemy of the Empire with art by Ian Gibson
https://www.comixology.co.uk/Star-Wars-Vaders-Quest/digital-comic/166387?ref=c2l0ZS9saXN0L2Rlc2t0b3AvZ3JpZExpc3QvMzczNzQ
Star Wars Vader's Quest art by Dave Gibbons 79p
There may be more, but my star wars/writer/artists of 2000ad cross-over knowledge is not good, so if you can spot anything else please add them here!
Oh!
https://www.comixology.co.uk/Star-Wars-Omnibus-Wild-Space-Vol-1/digital-comic/166147?ref=c2VhcmNoL2luZGV4L2Rlc2t0b3Avc2xpZGVyTGlzdC90b3BSZXN1bHRzU2xpZGVy
Features short stories by Alan Moore! 79p
This one appears to have Wagner/Ezquerra listed: https://www.comixology.co.uk/Star-Wars-Omnibus-Shadows-of-the-Empire/digital-comic/166182?ref=c2VhcmNoL2luZGV4L2Rlc2t0b3Avc2xpZGVyTGlzdC9pdGVtU2xpZGVy
EDIT: Includes Star Wars: Mara Jade – By the Emperor's Hand—that's why!