quite recently, while waiting for my coe, i travelled to jb central by bus (ac7) from yishun. It cost us two sgd each to get across and 2rm to get back. you are right there is no jam for buses (i mean i wont consider a 15mins wait as jam). you get out at spore custom, stamped, then get up the same ac7 if your clearance is fast (with auto exit for sporean) its pretty fast. even if you miss the ac7 which you were on, you can always get up in another one, thats when you have to be patient, it may take quite a while. but i heard if you take transit link buses you can hop on any of its buses to get to jb central. once you reach jb, you stamp out and thats it you are near citysquare and the new komtar which being new is nice and its all link to each other, rain also no problem. plenty to eat or just watch your kids or wifey shop. u should try the durian wrap at citysquare teh garden (roof top) with kopi, its sedap! i also found out that if you buy a mac pass 30rm you can exit and enter jb custom easily. i had wanted to, but my car just arrived but i think occassionally i will still go to jb via the bus way to avoid tolls and jams. at my last bus trip 2 mths ago i managed to find out there are buses that go direct to puteri harbour from jb central. so even if no ferry or rail links yet, when my ph house is ready i might just take the bus to and fro. its another option and not a bad one too and i have even thought of getting a msian reg car just to move around in msia. not a bad idea eh?