If you aren't overclocking, no.
PC2700 Ram is designed to be used with fsb 166mhz, and PC2100 Ram is supposed to be used with fsb 133mhz. But the AMD 2200+ is a fsb133 processor, so if are not going to overclock the fsb to 166.
PC2700 Ram at a fsb of 133 will run exactly like PC2100.