On the good side: the SFX were great, most of the cast were great, the plot was great (well, already knew most of it...)
On the bad side: I'd heard most of the jokes before, David Warner felt out-of-place as the voice of Marvin, and Ford was mostly eclipsed on screen by Zaphod.
And the Cult TV meme, pinched from various people on my flist:
Bold means I loved it/watched it religiously/etc.
Italic means I liked it but did not watch religiously.
Regular Roman letters means I didn't see it or was pretty much indifferent to it
Strikeout means I have seen it but disliked it.
* means I added this show to the list (if you gak this from me you have to add one of your own)
The Avengers (Been watching this on DVD courtesty the Stoat)
Beauty and the Beast
Buffy the Vampire Slayer
The Bionic Woman (TV3 played this recently, but stopped halfway through)
Danger Man/Secret Agent Man (Only seen a few episodes of this yet!)
The Daily Show
Freaks and Geeks
Man From UNCLE
Team Knight Rider * (I know, shush)
The Legend of Hercules
My So-Called Life
Mystery Science Theatre 3000
Monty Python's Flying Circus
The Outer Limits (the black and white series) (Only seen one episode of this...)
The Six Million Dollar Man
The Simpsons (This one just goes on and on...)
Star Trek: TOS
Star Trek: TNG
Star Trek: DS9
Star Trek: Voyager *
Star Trek: Enterprise
The Tomorrow People
The Twilight Zone
Vampire: The Masquerade
Xena: Warrior Princess
Some of those I've not even heard of. "Wonderfalls"?!