hi guy

should i add more ram for my server

AMD64 x2 Athlon 4200+
1GB RAM
300GB HDD

top - 14:11:29 up 8:16, 2 users, load average: 7.10, 7.20, 5.80
Tasks: 140 total, 4 running, 136 sleeping, 0 stopped, 0 zombie
Cpu(s): 10.0% us, 3.4% sy, 0.0% ni, 28.7% id, 55.8% wa, 0.9% hi, 1.2% si
Mem: 969484k total, 956340k used, 13144k free, 3532k buffers
Swap: 2096472k total, 34096k used, 2062376k free, 513732k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
30655 apache 15 0 47436 21m 2344 R 5.5 2.2 1:12.20 python
31260 apache 15 0 73488 46m 2376 S 4.8 4.9 1:28.15 python
31129 apache 16 0 38104 12m 2344 D 3.8 1.3 1:03.87 python
30895 apache 15 0 60512 34m 2340 S 2.4 3.6 1:07.03 python
30915 apache 16 0 58140 31m 2340 D 1.7 3.4 0:59.93 python
31299 apache 15 0 52664 26m 2344 S 1.7 2.8 0:16.43 python
31318 apache 16 0 48488 22m 2376 D 1.7 2.4 0:50.88 python
31810 apache 15 0 43828 17m 2344 S 1.4 1.9 0:14.33 python
31109 apache 15 0 79532 51m 2376 S 0.7 5.5 1:01.85 python
31150 apache 16 0 47228 19m 2344 R 0.7 2.1 0:23.99 python
184 root 15 0 0 0 0 S 0.3 0.0 0:51.08 kswapd0
359 root 10 -5 0 0 0 D 0.3 0.0 0:16.25 kjournald
30936 apache 15 0 40084 6896 960 S 0.3 0.7 0:26.16 transmissioncli
31278 apache 15 0 48628 22m 2344 R 0.3 2.4 0:11.12 python
31773 apache 15 0 33412 7848 2344 D 0.3 0.8 0:12.65 python
32303 root 15 0 0 0 0 D 0.3 0.0 0:00.15 pdflush
32392 root 15 0 2020 1036 784 R 0.3 0.1 0:00.04 top
1 root 16 0 1744 560 488 S 0.0 0.1 0:00.82 init
2 root RT 0 0 0 0 S 0.0 0.0 0:00.01 migration/0
3 root 34 19 0 0 0 S 0.0 0.0 0:00.08 ksoftirqd/0
4 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
5 root RT 0 0 0 0 S 0.0 0.0 0:00.02 migration/1
6 root 34 19 0 0 0 S 0.0 0.0 0:00.09 ksoftirqd/1
7 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/1
8 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/0
9 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/1
10 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
11 root 10 -5 0 0 0 S 0.0 0.0 0:00.01 kthread
14 root 10 -5 0 0 0 S 0.0 0.0 0:00.07 kblockd/0
15 root 10 -5 0 0 0 S 0.0 0.0 0:07.86 kblockd/1
16 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid
122 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
124 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kseriod
185 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
186 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 aio/1
342 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 kpsmoused
781 root 12 -4 1636 488 448 S 0.0 0.1 0:00.04 udevd
this is my httpd.conf

Timeout 60
KeepAlive On
MaxKeepAliveRequests 500
KeepAliveTimeout 5
MinSpareServers 12
MaxSpareServers 32
StartServers 10
MaxClients 450
MaxRequestsPerChild 1000
please advise

thanks