Ryuki

Blade

Kabuto

For what it's worth, my top 5 Rider shows:
1. Double/W
2. Kabuto
3. Den-O
4. OOO
5. Blade

Basically, stay away from Den-O and I guess Kuuga because he's lonely, and you'll be fine.

I don't really get why people tend to worry about what Rider show they should watch so much, if you find one to suck more then another, you're probably expecting it to be something it's not.

I would actually strongly recommend Den-O...the series. Can't emphasis that enough. Watch the series...don't watch anything else.

I've seen the majority of the Rider series, I would say Ryuki has everything your looking for. And if you dig the alt ending for RPM you would like Ryuki's ending. I found it to be very... don't want to say too much LOL! Well Ryuki has 3 endings so you can pick and choose which one you like.

Blade would be my 2nd choice. I found it to be a flawless series, especially towards the end.

3rd would be Agito, JUST WATCH IT. You will not be disappointed :)

And if you like drama, then Faiz. Every one just has issues in that series. I like to call that show "EMO Rider Faiz" lol!

I wouldn't recommend watching Decade, it'll give you the wrong impression of the various Rider series and not to mention that they don't answer ANY of the questions that the show's theme is based on sooooo. And if you like clowns then watch Den-O :/

If you want a good impression of the Rider Universe, don't start off with anything after Hibiki. Kabuto is cool, but may leave you disappointed and Hibiki (my favorite) is an acquired taste ;)

I still don't really understand the hate for the Den-O movies. I know people think it's gotten ridculous and out of hand with how many htere are but I still enjoy them. Most people either love the series and hate the movies or enjoy the movies that crossover with their preferred series and don't actually enjoy Den-O the series.

Obviously I've always loved it and the rumor that another Den-O movie is on the way excites me quite a bit. If you like Den-O the series then you HAVE to watch the first movies considering it contains a significant part of the shows plot and directly results in the birth of Climax Form. And the Saraba film is easily one of the best Rider movies I've seen on the last 5 years.

I've seen a nice chunk of Den-O and the movies. New Den-O "was" cool, but it's just too much going on, and the fact that the actors keep changing killed it for me much like Decade.

Den-o Seriously most fun rider show ive seen..... and this is coming from an addict to the show....... Fun Characters, Cool monster designs and the freaking taros