I'd be looking on nissansilvia.com, skylinesaustralia and even boostcruising for cheap used wheels. Trading post is also pretty good on occasion. It just is not worth it buying new rims unless you want awesome quality or ridiculous/rare offsets and sizes. Most cheap/copy wheels have pretty high offsets (+35 or more) so guard clearance won't be too big an issue (but 19s may change that). It's when you get the genuine article with low offsets you will definitely encounter issues.
For what it's worth, I don't think the Lenso S7s are nice wheels at all, but I don't like the ones they copy, the GT-7s (like Pras linked above). If you want a "JDM look" find some used Jap rims (and I'd stay with 17s or 18s, but it's up to you- handling will be a trade-off if you go too big).
To rattle off wheels I'd chase, TE37s (I saw a set of TE37s, 17x9.5 all round +12 or +22 offset for $2300 not long ago- bronze colour, and if they had not sold prior to me finding them I'd have grabbed them), GT-Cs (probably my favourite wheel, the ones linked above would fit hassle-free as well), or GT-Ns, and SSR Professors can dip under 2k if you are looking often enough.
Umm, there's a set of Work Stichs for sale (absolutely mint old school design) and I sort of wish I hadn't bought my new wheels because these are what I was chasing for ages
http://www.nissansilvia.com/forums/index.p...44&hl=stich They are a staggered set, but the offsets are fantastic and the condition looks awesome.
These are pretty popular wheels (except the Stich rims) so sets come up for sale regularly. Alternatively, buy my set of 17s if you get desperate
This post has been edited by Nunga: 13 May 2009 - 01:25 AM