If you're looking for a powerful desktop replacement notebook, you could go the conventional route and select something like Dell's Dothan Pentium M-powered <a href="http://reviews.zdnet.co.uk/0,39023100,39157408,00.htm">Inspiron 8600c</a>. Nothing wrong with that -- we gave it an <a href="http://reviews.zdnet.co.uk/editorschoice.htm">Editors' Choice</a>, after all. But if you want similar power plus a degree of future-proofing, why not consider a notebook powered by a 64-bit CPU that can also run today's 32-bit operating systems and applications very speedily? Enter Acer's Aspire 1502LMi, the top-end model in a range based around AMD's Athlon 64 processor -- in this case, the 2GHz 3200+ part. With 64-bit Windows due later this year, and applications certain to follow in due course, you'll be in pole position as mainstream computing moves into a new era.