Hi guys, I rode a lot of dirtbikes back in the day but never got my street licence till last april. I bought a new "old stock" Shadow RS 2010 for 6k out the door. I feel I got a pretty good deal. I rode it from April 1 2012 till December 19 (I am in Nebraska and it snowed on the 20th so I put her away) and get her back out again in mid March of this year. I have put 6k miles on it so far. It is my daily commuter to school. Its very sporty for a cruiser and I am generally happy with it but I have never been comfortable in the saddle, I feel like no matter where I adjust the bars I have to either lean forward to reach them or sit up strait as an arrow and scoot closer to the tank. Overall I would rate this bike as "fun as hell". It leans over pretty far and has nice pick up and go. I have taken a couple 200 mile trips on it to Iowa on small 2 lane highways and overall it does a good job cruising along at 70 mph. I get about 115 miles per tank (very small tank). It carves through traffic and is great in tight parking lots. Other than a few Harley dudes giving me some grief over a "plastic japanese crap" bike most people I run into like to pour over it and ask me about it. Over all I would give it a 8/10. Here is a short review if you are interested:
http://www.youtube.com/watch?v=rbpqigG9tnc
Here is a picture of mine:

So the bottom line is: I think this was a great first bike, its not a rocket but it s torquey, it fairly nimble and does what I ask of it. But I feel I want something, maybe not so cruiser-ish.
So I have been looking at both the cb500x and cb500f:


I like the looks of both, I think the X would be a better all around bike but a little awkward in town and in tight motorcycle parking at my school, while the f would be a good in town bike, but maybe a poor choice for open highway/interstate travel. The smaller displacement kinda worries me as these look to be great starter bikes but maybe I am moving to sideways and not forward enough. Do you think I would outgrow these to quickly coming from a 750 shadow? I will hopefully get to test ride the f model this weekend but the x will not be at either dealer till end of June they both said. And a 8 mile test ride does not seem long enough to come to sound conclusion (at least for me).
Basically I don't want to go backwards and be stuck with an under powered bike, but these both look good and the price is right. Help!