Great site, i like it, content is clean and its easy to find what you want as a visitor colours are good, and pleasant!
In terms of seo, i am probably "in the same boat" i am myself looking for advice on this, the only tip i can recommend is compress your source code a bit to make the file size smaller so the bots can crawl it faster, i use a program called HTML Compress, from freesoft, its a freeware program
http://www.freesoft.fsnet.co.uk/
Hope it goes well for you!
Please review my thread if you get a few mins:
http://www.webproworld.com/viewtopic.php?t=23364
Rikki
(Sales Director, DCHG Ltd)