I put 64-bit Ubuntu 10.10 on my Acer 1551. It does not want to wake from suspend or hibernate. I have tried several different solutions to the apparent problem, but none have worked for me.
Similar problem: Acer Aspire 1551 Will Not Wake After Suspend
I tried what it suggested, no go.
Also, I think it is taking my acer a while to boot-up what can I look into that may be causing it? I am new to ubuntu, and would like some help!