short answer: no, there's no replacement.
short answer 2: search the damn board as this has been asked several times like here:
http://startingstrength.com/resource...t=25006&page=1
other answers:
- Yeah, it's fine. You can use dumbbells if you have access to them. but microloading is harder.
- Do you have access to a power rack ? if so just set the safeties so they just protect your neck and BP in the power-rack.