Geeeyejo

Well have had my Citizen Tokyo since late June and ridden her for nearly 500 miles now (about 475) and figured I would provide a longer term usage assessment.
Shortly after obtaining the bike I made what I felt were very necessary comfort/performance/reliability upgrades. These included:
Brooks B67 Saddle
11-28T 7 spd Freewheel
7 Speed grip shifter
Used Vintage Suntour Alloy Derailleur (didn't like plastic original Shimano unit)
Non folding trap type pedals
Kenda Kwest 100psi tires
Flat resistant tubes
The upgrades above resulted in a significant improvement in top speed and rideability and including original purchase price of bike put me in at only about $400.
The bike has proven itself to be a durable, capable and versatile commuter - I am about 220lbs and ride with about a 25lb pack - alot of weight for this little folder! The freewheel/shifter/derailleur upgrade initially proved a bit challenging as the index shifting would not exactly line up. After several adjustments I was able to set it so 5th and 6th gear required two "Stops" on the grip shifter - ie to shift from 7th gear to 6th, I shift to 5, then back up to 6. A minor inconvenience, but once used to it becomes automatic and hits the gears every time. Reality is I only use 5 (rarely on a steep hill), 6 & 7 - no need for the lower gears.
I also experienced some jumping of the chain on the freewheel - Initially I thought that it was due to the new freewheel, but it turned out to be a lubrication issue - a few drops of chain oil and no more skipping.
About 100 miles ago, one of the allen head bolts that secures one of the rear brake calipers (and the rack) apparently vibrated out of the hole and was lost. I emailed Citizen about purchasing a replacement - they actually sent me two - at no charge! Great customer service!
Lastly, I noticed a few days ago that the bottom bracket had developed a bit of play and necessitated a bearing adjustment. I had been meaning to inspect/grease the bottom bracket as I had hit some deep water on a flooded street a few weeks back and never sure how much grease is used on initial assembly. I pulled the bracket last night - it did in fact appear that a good amount of assembly grease had been initally used. I cleaned the bearings, greased, reassembled and all is fine once again.
Honestly, there have been times that I have considered upgrading to a Dahon D7 - Chromo steel frame at about $489 new locally - but considering my usage (intermodal train/ferry/bike commuting with about 5 miles on the bike each way to work) the Citizen does in fact fit my needs and is holding up rather well - makes it hard to justify another $500 purchase.
Now would I have bought the Dahon in place of the Citizen - considering my experience over the past 500 miles? Well price really comes into play. My most expensive upgrade was the Brooks Saddle - which quite frankly I would have purchased had I bought a Dahon (or any other bike without a good leather saddle). This brings the price of the Dahon closer to $600. I likely would have upgraded the Dahon tires to high pressure road tires with flat resistant tubes as well - add another $60. Not familiar with the gearing on the Dahon but assume the 20" wheels and freewheel provide acceptable top end speed - if not then upgrade and even more $$ again.
For the money, the Citizen remains a remarkable value - hard to justify another $260+ for similar functionality. Now if for any reason my frame goes (although I assume the good folks at Citizen would make good on this) I might go the Dahon route...